A treasure chest full of silver and gold coins is being lifted from a pirate ship to the shore using two ropes as shown in the figure. The mass of the treasure chest is 94.0 kg.

(a) Velocity is zero (b) the time is 0.918 sec (c) the time is 1.836 sec (d) the distance is 14.688 m  (e) the angle in degree is 0 degree.

a) When the ball reaches its maximum height, its velocity is entirely in the vertical direction (y-axis) and has no horizontal component (x-axis or z-axis). The velocity vector at this point is <0, vy, 0>, where vy is the vertical component of velocity.

b) To find t when the ball reaches its maximum height, we can set the vertical component of velocity vy = 0, and use the equation of motion for vertical motion:

vy = v0y - gt

where v0y = 9m/s is the initial vertical velocity, g = 9.8 m/s^2 is the acceleration due to gravity, and t is the time since the ball was thrown.

0 = 9 - 9.8t

t = 9/9.8 = 0.918 s

c) The time t when the ball's height y returns to zero can be found by setting y = 0 in the equation of motion for vertical motion:

y = v0y x t - (1/2) x g x t^2

0 = 9t - 4.9t^2

4.9t^2 = 9t

t = 9/4.9 = 1.836 s

d) At the time calculated in part (c), when the ball's height y returns to zero, the range of the trajectory (x) can be found by using the equation of motion for horizontal motion:

x = v0x x t

x = 8 x 1.836 = 14.688 m

e) The angle in degrees with respect to the positive x-axis of the velocity at the time calculated in part (c) is found by using the horizontal component of the velocity vector.

The horizontal component of the velocity vector is vx = 8 m/s.

The angle of the velocity vector with respect to the positive x-axis is found by using the arctangent function.

angle = a tan(vy/vx) = a tan(0/8) = 0 degrees.

It's important to note that the range is the maximum distance that the ball travels horizontally, and it is reached at the time when the ball's height y returns to zero.

To know more about velocity please refer: https://brainly.com/question/18084516

#SPJ4

Question - A small dense ball with mass 0.9 kg is thrown with initial velocity <8,9,0>m/s at time =0 from a location we choose to call the origin (<0,0,0>m). Air resistance is negligible.

(a) When the ball reaches its maximum height, what is its velocity?

(b) When the ball reaches its maximum height, what is time ?

(c) At a later time the ball's height  has returned to zero, which means that the arithmetic average value of  from =0 to this time is zero. At this instant, what is the time ?

(d) At the time calculated in part (c), when the ball's height  returns to zero, what is distance? (This is called the range of the trajectory.)

(e) What is the angle in degrees with respect to the positive x-axis of the velocity at the time calculated in part (c)? Present your answer as a positive value less than 360.

Answer:

f/2

Explanation:

In this case the force that is necessary to keep the object moving in a curved path and that is directed inward toward the center of rotation, centripetal force = f

f= m × centripetal acceleration

centripetal acceleration = V^2/r

Therefore f = m (2v)^2 /r --------1

If frictional force required to keep the large car on the road = F

F= 2m (v)^2/ r----------2

Now Divide 1st equation by 2nd one

f/F = m (2v)^2/2m(v)^2

f/F = 2

F= f/2

The violation is a third-degree felony is Reproduction or theft of a real estate license exam, option C.

A misdemeanor is typically regarded as a lesser offense while a felony is typically regarded as a serious offense. The expression "crime" started from English custom-based regulation (from the French middle age word "félonie") to depict an offense that brought about the seizure of a sentenced individual's property and products, to which extra disciplines including the death penalty could be added; Misdemeanors were the other names for crimes. A person can be referred to as a felon or a convicted felon after being found guilty of a felony in a court of law.

The federal government defines a felony as a crime that carries a sentence of death or imprisonment for more than one year in the United States, where the distinction between felony and misdemeanor is still widely used. It is considered a misdemeanor if the penalty is less than one year. The grouping depends on a wrongdoing's likely sentence, so a wrongdoing stays named a crime regardless of whether a litigant indicted for a lawful offense gets a sentence of one year or less. Other factors, like the degree of seriousness or the context, are used by some states to classify crimes.

Learn more about Felony:

https://brainly.com/question/26682306

#SPJ4

Complete question:

Which violation is a third-degree felony?

A) Provide inaccurate and out-of-date rental information for compensation

B) Failure to account for and deliver escrow funds

C) Reproduction or theft of a real estate license exam

D) False and misleading advertising

If you thrust a magnet into a closed loop of wire, the loop will have current in it. So the correct option is B.

A magnet is a body with a magnetism that can attract different irons that can be given naturally or artificially. Magnets can have their magnetic field continuously and this field can attract materials or repel them, this will depend on the magnetic permeability of the compound. The magnetic field of the images will be oriented towards the south pole and the north pole and each of these will be attracted by their opposites.

Not all magnets have permanent magnetism, this depends on whether they are going to be magnetized to be permanent or if they will only have temporary functionality.

By pushing a magnet in a closed circuit of wire, a magnetic field will be generated in which a current will flow in the turns of wire.

Therefore, we can confirm that the correct option is B. have current in it.

To learn more about magnets visit: https://brainly.com/question/2841288

#SPJ1

Answer:

Electricity is measured in units of power called Watts,

hope this helps

have a good day :)

Explanation:

Answer:

rs 900

Explanation:

the process is given

Answer:x rays are electromagnetic waves.

x rays are transverse waves

x rays travel at the speed of light

Explanation:

Answer:

B

Explanation:

what could i say except ur welcome

Answer:

The magnitude of the surface charge density on either plate is approximately 5.41 × 10⁻⁸ C/(m²)

Explanation:

The magnitude of the charge on each of the conducting plates = Equal

The orientation of the charges on each plate = Opposite charges

The magnitude of the point charge placed between the plates = +3.60 nC

The force acting on the point charge, q = 22.0 μN

Therefore, we have;

F = E × q

E = F/q = 22.0 μN/+3.60nC = 6,111.1111 V/m

We have;

\(E = \dfrac{\rho }{\epsilon_0}\)

Where;

ρ = The surface charge density

ε₀ = Absolute permittivity ≈ 8.85 × 10⁻¹² C²/(N·m²)

Therefore, we have;

ρ = E × ε₀ = 6,111.1111 V/m × 8.85 × 10⁻¹² C²/(N·m²) = 5.40833332 × 10⁻⁸ C/(m²)

∴ The magnitude of the surface charge density on either plate, ρ ≈ 5.41 × 10⁻⁸ C/(m²).

These mixtures are carefully formulated to reduce the risk of oxygen toxicity and allow for safe and efficient diving at greater depths. False.

When diving deeper than 40 feet, it is not advantageous to breathe pure oxygen. In fact, it can be dangerous and potentially lethal if done for prolonged periods. Oxygen toxicity can occur, which can lead to seizures, unconsciousness, and even death. Instead, divers use specialized gas mixtures that contain a lower percentage of oxygen and higher percentages of other gases such as nitrogen and helium.  

When diving deeper than 40 feet, it is generally not advantageous to breathe pure oxygen. Breathing pure oxygen at such depths can lead to oxygen toxicity, which can cause serious health issues or even death. Instead, divers typically use a mixture of gases, such as Nitrox or Trimix, which contain lower concentrations of oxygen and help reduce the risk of oxygen toxicity.

To know more about oxygen visit:

https://brainly.com/question/29338544

#SPJ11

The net vertical force on the caboose (C) is

∑ F[v, C] = F[n, C]  - (1.4 kg) g = 0

where F[n, C] is the magnitude of the normal force exerted by the track on the caboose; so we have

F[n, C] = (2.3 kg) g = 13.72 N

which means the coefficient of kinetic friction µ between the caboose and the track is

F[f, C] = 0.46 N = µ (13.72 N)   ⇒   µ = (0.46 N) / (13.72 N) ≈ 0.034

and presumably the coefficient is the same for the locomotive.

The net vertical force on the locomotive (L) is

∑ F[v, L] = F[n, L] - (2.3 kg) g = 0

where F[n, L] is the magnitude of the normal on the locomotive, so that

F[n, L] = (2.3 kg) g = 22.54 N

and so the locomotive is opposed by a frictional force with magnitude

F[f, L] = µ (22.54 N) ≈ 0.76 N

Taking the locomotive and caboose together, the net horizontal force on the system is

∑ F[h] ≈ - F[f, C] - F[f, L] + F[engine] = (2.3 kg + 1.4 kg) (3.1 m/s²)

Solve for F[engine] :

F[engine] ≈ (3.7 kg) (3.1 m/s²) + 0.46 N + 0.76 N ≈ 13 N

A bare roof on a warmly heated home on a snowy day indicates that the home has effective insulation and heat management systems.

Proper insulation prevents heat from escaping through the roof, keeping the interior of the home warm and comfortable. As a result, the snow on the roof does not melt quickly, because the warm air inside the house does not directly come into contact with the snow on the roof. Additionally, an efficient heating system maintains a consistent indoor temperature, ensuring the home remains energy-efficient and reduces heating costs.

A bare roof also reduces the risk of ice dams, which occur when snow melts and refreezes at the edge of the roof, potentially causing water damage to the home. In conclusion, a bare roof on a warmly heated home on a snowy day is a positive sign that the house has effective insulation and heating systems in place. This ensures energy efficiency, reduced heating costs, and protection from potential damage caused by ice dams.

Learn more about insulation at

https://brainly.com/question/14363642

#SPJ11

Answer:

\(\huge\boxed{\sf Law \ of \ Interaction}\)

Explanation:

Newton's Third Law of Motion States that:

"For every action, there is a reaction which is equal in magnitude but opposite in direction."

Newton's third law is also called "Law of Interaction".

Hope this helped!

Explanation:

The law of Interaction

The magnitude of the resultant force acting on the driver, who weighs 0.80 kN

The total amount of force acting on the object or body along with the direction of the body.

The formula for the resultant force vector is given by Newton's Second law.  F=ma.

here

speed, v = 25 m/s

radius, r = 0.15 km = 150 m

weight, w = 0.80 kN = 800 N

we know that,

W = m*g

800 = m * 9.8

m = 800 / 9.8

m = 81.63 kg

magnitude of the resultant force:

F = m*v^2 / r

F = 81.63 * 25^2 / 150

F = 340.13 N

F = 0.34 kN

hence,

The magnitude of the resultant force acting on the driver, who weighs 0.80 kN

Learn more about resultant force here:

https://brainly.com/question/13649876

#SPJ4

The angular velocity of the skater during the finale is 2.18 rad/s.

The conservation of angular momentum is a principle in physics that states that the total angular momentum of a system remains constant if no external torques act on the system. Mathematically, this can be expressed as L1 = L2, where L1 is the initial angular momentum of a system, L2 is the final angular momentum of the system, and the total torque acting on the system is zero. This principle is analogous to the conservation of linear momentum, which states that the total linear momentum of a system remains constant if no external forces act on the system. The conservation of angular momentum is an important principle in many areas of physics, including mechanics, electromagnetism, and quantum mechanics.

We can use the conservation of angular momentum to solve this problem. The initial angular momentum of the skater and the hand-arms is given by:

L1 = I1 * w1

where I1 is the moment of inertia of the skater's body, and w1 is the initial angular velocity. Since the hand-arms are extended, their moment of inertia can be neglected.

When the skater pulls their arms inward, the moment of inertia of the system decreases. The final moment of inertia is given by:

I2 = I1 + 2md^2

where m is the mass of each hand-arm, d is the distance of the hand-arm from the axis of rotation, and we multiply by 2 since there are two hand-arms.

The final angular velocity w2 can be found by equating the initial and final angular momentum:

L1 = I1 * w1 = I2 * w2

Substituting the expressions for I1, I2, and simplifying, we get:

w2 = w1 * I1 / (I1 + 2m(d2^2 - d1^2))

where d1 is the initial distance of the hand-arm from the axis of rotation (0.60 m), and d2 is the final distance of the hand-arm from the axis of rotation (0.20 m).

Substituting the given values, we get:

w2 = 0.50 m/s * 1.719 kgm^2 / (1.719 kgm^2 + 2 * 5.0 kg * (0.20 m^2 - 0.60 m^2))

w2 = 2.18 rad/s

Therefore, The skater's angular velocity during the grand finale is 2.18 rad/s.

To learn more about momentum and  impulse equations click:

brainly.com/question/30101966

#SPJ1

ANSWER:

STEP-BY-STEP EXPLANATION:

We have the following:

• Electromagnetic waves are waves that can travel through the vacuum of outer space. Mechanical waves, unlike electromagnetic waves, require the presence of a material medium in order to transport their energy from one place to another.

• Waves (electromagnetic and mechanical) can transfer energy over long distances since they do not need to move matter the entire distance.

• Radiation is the transfer of energy through electromagnetic waves

Knowing the above, we can match the concepts as follows:

The impulse that the force applies to the particle between time t = 0 and t = 2s is 36.

Let us consider the formula for Impulse.

Impulse= FΔt

where,F = force Δt = time interval

From the given problem,Particle mass, m = 6 kg

Particle velocity at t=0s,

u = 4 m/s

Particle velocity at t=2s,

v = 10 m/s

Δt = t2 - t1

   = 2 - 0

   = 2 s

The acceleration can be found out using the formula below.

a = (v - u) / Δta

  = (10 - 4) / 2

  = 3 m/s²

From Newton's second law of motion, force is given as

F = ma

  = 6 × 3

  = 18

we can find the impulse that the force applies to the particle between time t = 0 and t = 2s by using the formula above.

Impulse= FΔt= 18 × 2= <<18*2=36>>36

The impulse that the force applies to the particle between time t = 0 and t = 2s is 36.

Therefore, the answer is 36 without units.

learn more about force from given link

https://brainly.com/question/12785175

#SPJ11

Answer:

Acceleration (a) is the change in velocity (Δv) over the change in time (Δt), represented by the equation a = Δv/Δt. This allows you to measure how fast velocity changes in meters per second squared (m/s^2).

Explanation:

Considering the definition of impulse, the impulse of the force is 11.06 N×s.

Impulse is a term that quantifies the overall effect of a force acting over time.

In other words, the mechanical impulse of a force relates said force to the duration of its action. It is a vectorial magnitude that has the direction and sense of the force that produces it.  

The impulse I is the product between a force and the time during which it is applied:

I= force× time

The unit of the impulse is the N×s (newton per second).

In this case, you know:

Replacing in the definition of impulse:

I= 1400 N× 0.0079 s

Solving:

I= 11.06 N×s

The impulse of the force is 11.06 N×s.

Learn more about impulse:

https://brainly.com/question/13333793?referrer=searchResults

The Gain block will be used to adjust the acceleration due to gravity, g, and the Sine Wave function will be used to provide a sinusoidal input to the system. The output of the system will be ф(t).

Initial is an adjective that is used to describe something that occurs at the beginning or start of a process. It can be used to describe the first letter of a person's name, the first letter of a word, or the first stage or step in a process. For example, you might say “She signed her initial at the bottom of the contract” or “The initial step in the process is to research the topic.” Initial can also be used as a noun to refer to the first letter of a person's name or the first letter of a word.

The differential equation in ф describing the motion of the mass m is given by: m×d×dφ + m×g×l sinφ = 0.To build the system in Simulink, we will use an "Integrator" block, a "Gain" block, and a "Sine Wave" function. The Integrator will be used to integrate the differential equation to solve for the angular position ф(t). The Gain block will be used to adjust the acceleration due to gravity, g, and the Sine Wave function will be used to provide a sinusoidal input to the system. The output of the system will be ф(t).

To know more about sine wave function:

https://brainly.com/question/31775721

#SPJ4

Answer: C!! <3

Explanation: (a p e x)

In wireless transmission, the digital signals become weaker as they move away from the source. Hence, option (C) is correct.

Although most people take wireless data transfer for granted, when one stops to think about how it truly works, it does appear miraculous. Of course, there is a scientific explanation that a non-WLAN expert can comprehend.

In essence, the manipulation of radio waves allows for wireless data transmission. These waves are produced by creating electrical pulses in a natural way. Then, in order to transmit sound or data, these radio waves might have their amplitude or frequency altered. This procedure can be enhanced to increase the amount of data that can be communicated and the speed at which it can be transmitted.

Learn more about wireless transmissions here:

https://brainly.com/question/25881547

#SPJ5

Answer:

Motion:

Motion is when an object is changing position with respect to its surrounding.

Example:

=> A cyclist riding a cycle (cyclist is in motion.)

=> Fan moving (fan is in motion.)

\(\rule[225]{225}{2}\)

Hope this helped!

The amount of work done in filling the tank from the bottom is equivalent to the weight of the water in the tank, which is approximately 186,720 ft-lbs.

To calculate the amount of work done in filling the tank, we need to determine the weight of the water in the tank first. The weight of the water is equal to its volume multiplied by its density.

Given that the tank is full of water, the volume of water in the tank is equal to the volume of the tank itself. The volume of the tank can be calculated by multiplying its length, width, and height. Assuming the dimensions of the tank to be 10 feet (length) x 10 feet (width) x 10 feet (height), the volume of the tank would be:

Volume = Length x Width x Height

Volume = 10 ft x 10 ft x 10 ft

Volume = 1,000 cubic feet

Now that we know the volume of the water in the tank, we can calculate its weight by multiplying it by the density of the water. Given that the density of the water is 62.4 lbs per cubic foot, the weight of the water would be:

Weight = Volume x Density

Weight = 1,000 cubic feet x 62.4 lbs per cubic foot

Weight = 62,400 lbs

Therefore, the amount of work done in filling the tank from the bottom would be equivalent to the weight of the water in the tank, which is approximately 186,720 ft-lbs (62,400 lbs x 3 feet, assuming the water is being lifted a distance of 3 feet from the bottom of the tank to the top).

In conclusion, the amount of work done in filling the tank from the bottom is equivalent to the weight of the water in the tank. This weight can be calculated by multiplying the volume of water in the tank by its density. Given the dimensions of the tank and the density of the water, we have determined that the amount of work done in filling the tank from the bottom is approximately 186,720 ft-lbs.

To know more about work ,visit:

https://brainly.com/question/25573309

#SPJ11

Highly impermeable subsurface layers such as compacted clay or shale that don't transmit groundwater freely are known as aquitards. Aquitards are subsurface geological formations that exhibit low permeability, preventing or restricting the flow of groundwater.

These layers act as barriers or confining layers, limiting the vertical movement of water through the Earth's subsurface. Aquitards are typically composed of materials with low hydraulic conductivity, such as compacted clay or shale.

The impermeable nature of aquitards is due to their fine-grained composition, which reduces the interconnected pore spaces necessary for groundwater flow. When water encounters an aquitard, it is impeded or slowed down, leading to the accumulation of water above the layer.

This creates a confined or semi-confined aquifer, where water is stored under pressure. Aquitards play a crucial role in groundwater management and protection. They act as natural barriers that prevent the contamination and excessive depletion of groundwater resources. Their impermeability helps maintain water quality by reducing the risk of pollutants infiltrating the underlying aquifers.

Aquitards also influence the behavior of groundwater systems, controlling the movement and distribution of water within the subsurface.

Learn more about pressure here :

https://brainly.com/question/356585

#SPJ11

Answer:

Gravity

Explanation:

Answer:

The frictional force on the block is 118 N.

Explanation:

Given;

horizontal force applied on the block, f = 80 N

mass of the block, m = 20.0 kg

coefficient of friction, μ = 0.6

The frictional force on the block is calculated as;

F = μR

F = μ(mg)

F = 0.6(20 x 9.81)

F = 117.7 N

F = 118 N.

Therefore, the frictional force on the block is 118 N.

Answer:

q = 0.384 C

Explanation:

The total charge present at the head can be easily found out by multiplying the charge on a single electron with the total number of electrons present on the head:

\(q = ne\)

where,

q = total charge on head = ?

n = total no. of electrons on the head = 2.4 x 10¹⁸

e = charge on 1 electron = 1.6 x 10⁻¹⁹ C

Therefore,

\(q = (2.4\ x\ 10^{18})(1.6\ x\ 10^{-19}\ C)\)

q = 0.384 C

In both situations, the two forces that form a Newton's third-law force pair with equal magnitudes are the buoyant force exerted by the liquid on the block and the weight of the block exerted on the liquid.

When a block is floating in a container of liquid, it experiences two forces: the weight of the block and the buoyant force exerted by the liquid. The weight of the block is given by the equation:

\(\[ F_{\text{{weight}}} = mg \]\)

where m is the mass of the block and g is the acceleration due to gravity. The buoyant force exerted by the liquid on the block is equal to the weight of the liquid displaced by the block. It can be calculated using Archimedes' principle:

\(\[ F_{\text{{buoyant}}} = \rho V_{\text{{submerged}}} g \]\)

where \(\( \rho \)\) is the density of the liquid and \(\( V_{\text{{submerged}}} \)\) is the volume of the block that is submerged in the liquid.

When the block is replaced with a block of mass 2m , the weight of the block doubles while the buoyant force remains the same. Therefore, the two forces that form a Newton's third-law force pair with equal magnitudes in both situations are the buoyant force exerted by the liquid on the block and the weight of the block exerted on the liquid.

To learn more about buoyant force refer:

https://brainly.com/question/15706301

#SPJ11

The efficiency of a certain engine can be determined using the Carnot Cycle equation. The efficiency of an engine is proportional to the difference in temperature between the hot reservoir and the cold reservoir.

The efficiency can be calculated using the following formula:

η = (Th - Tc) / ThWhere,η = efficiency of the engine

Th = temperature of the hot reservoir

Tc = temperature of the cold reservoir

Given that the temperature of the hot reservoir is 700°C and the temperature of the cold reservoir is 230°C.

Therefore,η = (700 - 230) / 700η = 0.67The efficiency of the engine is 0.67 or 67%. In other words, only 67% of the heat energy is converted into mechanical energy while the remaining 33% is lost as waste heat.

To know more about Carnot Cycle  visit :

https://brainly.com/question/31586892

#SPJ11