Iron Man stands on top of a cliff with a height of 89 meters and throws a water balloon at Captain America’s head.

Answer:

At least two charged, interacting parts.

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Answer:

15 is it

Explanation:

Answer:

The answer would be 0.23

Explanation:

Put in 0.23

Answer:

60 J of heat are released from the system: Q=-60 J

20 J of work is done on the system: W=-20 J

∆U=Q-W

∆U=-60-(-20)

∆U=-40 J

Explanation:

If the heat is released from the system, Q should be negative.

If the heat is gained by the system, Q should be positive.

If the work is done on the system, W should be negative.

If the work is done by the system, W should be positive.

Electrical energy can be described as the energy transferred through the movement of charges, typically in the form of an electric current

define  Electrical energy  ?

Electrical energy is a form of energy that results from the movement of electric charges, typically in the form of an electric current. It is the energy that is transferred or converted from electric potential energy, which is the energy stored in a system due to the separation of charges. Electrical energy can be harnessed and used for various purposes, such as lighting, heating, powering electronic devices, and driving motors. It is an essential form of energy in modern society and plays a crucial role in many aspects of daily life.

The correct answer is 1. Electrical energy can be described as the energy transferred through the movement of charges, typically in the form of an electric current. Options 2, 3, and 4 refer to other forms of energy related to electricity but do not fully describe electrical energy itself.

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Answer:

B Energy is released

Explanation:

Answer:

The car would travel 60 miles in 2 hours.

Explanation:

The distance for an hour is already given, 30 miles per hour.

Given this you could multiply 30 by 2 which gives you 60.

The distance of the car is its speed times the time taken. The speed of the car is 30 miles per hour and time of travel is 2 hours. Then, the distance travelled is 60 miles.

Speed of a moving object is the measure of the distance travelled per unit time. The rate of speed is called velocity. Velocity of an object is a vector quantity.

As the object is covering more distance within small time, then the object is said to have greater speed. Speed of an object also depends on is mass.

Given the speed = 30 mph

time taken = 2 hours

distance  = speed  × time

= 30 × 2 = 60 miles.

Therefore, the distance travelled by the car is 60 miles.

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i. The gravitational force between the earth and sun can be obtained as follow:

F = GM₁M₂ / r²

F = (6.67×10¯¹¹ × 5.987×10²⁴ × 1.989×10³⁰) / (1.5×10¹¹)²

F = 3.53×10²² N

Thus, the gravitational force between the earth and sun is 3.53×10²² N

ii. The gravitational force between the earth and moon can be obtained as follow:

F = GM₁M₂ / r²

F = (6.67×10¯¹¹ × 5.987×10²⁴ × 7.347×10²²) / (3.844×10⁸)²

F = 1.99×10²⁰ N

Thus, the gravitational force between the earth and moon is 1.99×10²⁰ N

Comparison = G₁ / G₂

G₁ / G₂ = 3.53×10²² / 1.99×10²⁰

G₁ / G₂ = 177

Cross multiply

G₁ = G₂ × 177

Thus, we can say that the gravitational force between the earth and sun is 177 times bigger than the gravitational force between the earth and moon

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Answer:

7.10m/s

Explanation:

speed is also known as acceleration so the seed also equals acceleration

Answer:

Height, speed, mass

Explanation:

Answer:

D height, speed, mass

Explanation:

I took this test early november

Answer:

88km E

Explanation:

25 km is added already

then if we take the formula of speed(V)

V=d/t

and rearrange it to subject d (distance)

d= V x t

we get

d= 42km/h x 1.5hrs

we get

63 km

now if we add the already travelled 25 km to this additional distance

63km + 25km = 88km

Thus the final distance traversed by the ship from its origin is

88km E

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Answer:

162 should be the answer because 18x3x3=162.

Answer: seen below

Explanation:

a) Water has the highest specific heat capacity in this case while sand has the lowest specific heat capacity.

b) Sand absorb the least energy for it temperature change (increase or decrease). This means that their temperatures change more quickly due to it low specific heat capacity of 0.290J/g°C) at 25°C)

c) using the formula:

Q = m × cP × (final temperature -initial temperature)

where:

Q = heat

m = is the mass

cP = is the mass heat capacity,

T= is the temperature

Q = 2 kg × 600 J/(kg°C) × (30°C - 20°C)

Q = 12000 J

d) in simpler term, The second law of thermodynamics states that when energy changes from one form to another form, entropy The second law of thermodynamics says that when energy changes from one form to another form, or matter moves freely, entropy (which is a measure of the amount of energy in a physical system that cannot be used to do work) in a closed system increases. This is why your feet gets cold when you put them in the water.

Time is a fundamental concept that is often taken for granted. It can be understood in a variety of ways. For example, it can be seen as a linear progression from past to present to future, or it can be viewed as a series of moments that exist simultaneously.

Let's take a look at two different ways to understand time:1. Time as a Linear Progression: Time is usually seen as a linear progression that goes from past to present to future. This view assumes that time moves in a straight line and is constantly moving forward. It implies that the past is fixed and the future is open, and the present is the moment in which the past becomes the future.2. Time as Simultaneous Moments: Some people view time as a series of simultaneous moments that exist independently of one another.

This view asserts that all moments in time exist simultaneously and that the past, present, and future all exist at the same time. How many minutes are there in 1.5 hours?1.5 hours is equivalent to 90 minutes.

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After years of observation, Hubble made an extraordinary discovery. In 1923 he spotted a Cepheid variable star in what was known as the Andromeda Nebula. Using Leavitt's techniques, he was able to show that Andromeda was nearly 1 million light years away and clearly a galaxy in its own right, not a gas cloud.

Since the bullet was moving to the right, the stopping force will act to the left.

So, the magnitude of the stopping force is 2.2 N, and its direction is to the left.

To determine the magnitude of the stopping force acting on the bullet, we can use the principle of impulse and momentum. The impulse experienced by an object is equal to the change in momentum it undergoes. Mathematically, impulse is given by the equation:

Impulse = Change in momentum

The momentum of an object is given by the product of its mass and velocity:

Momentum = mass × velocity

In this case, the bullet is initially moving to the right with a speed of 220 m/s. After hitting the target, it travels an additional 24.2 cm into the target, which means its final velocity is zero (since it stops). Let's calculate the initial and final momenta.

Initial momentum = mass × initial velocity

= 0.010 kg × 220 m/s

= 2.2 kg·m/s

Final momentum = mass × final velocity

= 0.010 kg × 0 m/s

= 0 kg·m/s

The change in momentum is equal to the initial momentum minus the final momentum:

Change in momentum = Final momentum - Initial momentum

= 0 kg·m/s - 2.2 kg·m/s

= -2.2 kg·m/s

Since momentum is a vector quantity, the negative sign indicates that the bullet's momentum has reversed direction.

Impulse = Force × Time

Since the stopping force is constant, the time over which it acts is not given explicitly. However, since we are only interested in the magnitude of the force, we can assume that the time of impact is very small, so we can neglect it in this calculation.

Therefore, the magnitude of the stopping force is given by:

Force = Impulse / Time

Since the impulse is equal to the change in momentum (-2.2 kg·m/s) and the time is assumed to be very small, we can say that the magnitude of the stopping force is approximately 2.2 N.

As for the direction of the stopping force, it is opposite to the initial direction of the bullet's motion.

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Answer: Often lightning occurs between clouds or inside a cloud. But the lightning we usually care about most is the lightning that goes from clouds to ground.

Explanation:  As the storm moves over the ground, the strong negative charge in the cloud attracts positive charges in the ground.

Answer:

An atom of Cu-63 has 34 neutrons and an atom of Cu-65 has 36 neutrons. 27- The total number of electrons in an atom of Cu-65 is 29 because copper has atomic number of 29, which simply means that an atom of copper has 29 protons and 29 electrons.

Explanation:

Answer:

Copper-65 has 36 neutrons, 29 electrons and 29 protons

Explanation:

The rate of acceleration of a rolling ball down a hill, starting from rest with a final velocity of 8 m/s is 0.76 m/s².

Acceleration is the rate of change of velocity.

To calculate the acceleration of the ball, we use the formula below.

Formula:

Where:

Make a the subject of the equation

From the question,

Given:

Subsstitute these values into equation 2

Hence, the acceleration of the ball is is 0.76 m/s².

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I think it is a education tips

Answer:

\(32.6\ \text{kg m/s}\)

Explanation:

\(p_f\) = Final momentum of the system = \(32.6\ \text{kg m/s}\)

According to the principle of conservation of angular momentum we have

\(p_i=p_f\\\Rightarrow p_i=32.6\ \text{kg m/s}\)

The wall is not moving so the initial and final momentum of the system are equal.

So, the total momentum of the system before the collision is \(32.6\ \text{kg m/s}\).

(a)

- The coefficient of log(income) (0.88) suggests that a 1% increase in income is associated with a 0.88% increase in cigarette consumption, holding other variables constant.

- The coefficient of log(price) (-0.75) indicates that a 1% increase in cigarette prices is associated with a 0.75% decrease in cigarette consumption, holding other variables constant.

- The coefficient of educ (-0.50) implies that a one-year increase in education is associated with a 0.50 unit decrease in cigarette consumption, holding other variables constant.

- The coefficient of age (0.77) suggests that a one-year increase in age is associated with a 0.77 unit increase in cigarette consumption, holding other variables constant.

- The coefficient of age squared (-0.008) indicates that the relationship between age and cigarette consumption is not linear, and as age increases further, the rate of increase in cigarette consumption slows down.

- The coefficient of restaurant (2.83) implies that individuals who have access to smoking in restaurants smoke, on average, 2.83 more cigarettes per week compared to those who do not have access.

(b) The R-squared measures the proportion of the total variation in cigarette consumption that is explained by the independent variables. In this case, the R-squared is not provided, so it cannot be calculated or commented upon.

The Adjusted R-squared takes into account the number of variables and the sample size, providing a more reliable measure of model fit. Unfortunately, the Adjusted R-squared is also not provided, so it cannot be calculated or commented upon.

The difference between R-squared and Adjusted R-squared lies in the penalization of the latter for including additional variables that may not significantly contribute to the model.

(c) To perform a 1% individual significance test for each slope coefficient, we need the t-statistics and the corresponding p-values for each coefficient. These values are not provided, so we cannot perform the significance tests or comment on the results.

The null hypothesis (H0) for each significance test would be that the corresponding slope coefficient is equal to zero. The alternative hypothesis (Ha) would be that the slope coefficient is not equal to zero.

(d) The confidence interval for each slope coefficient can be calculated using the provided standard errors and assuming a t-distribution. However, the standard errors are not provided in the given format, so we cannot calculate the confidence intervals.

(e) To perform a 5% test of the overall significance of the regression model, we need the F-statistic and its corresponding p-value. Unfortunately, these values are not provided, so we cannot perform the test or comment on the results.

The null hypothesis (H0) for the overall significance test would be that all slope coefficients are equal to zero, indicating that none of the independent variables have a significant effect on cigarette consumption. The alternative hypothesis (Ha) would be that at least one of the slope coefficients is not equal to zero, indicating that at least one independent variable has a significant effect on cigarette consumption.

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Answer:

2.3 x 10-13 F

Explanation:

From the question,

Applying

C = e₁e₂A/d..................... Equation 1

Where C = Capacitance of the capacitor, d = distance of seperation, A = cross sectional area of the capacitor, e₁ = permitivity of free space, e₂ = relative permitivity of vacuum.

But,

Area of a circle (A) is given as

A = πr²................... Equation 2

Where r = radius of the capacitor.

Substitute equation 2 into equation 1

C = e₁e₂πr²/d............... Equation 3

Given: r = 2.5 mm = 0.0025 m, d = 0.75 mm = 0.00075 m

Constant; e₁ = 8.85×10⁻¹² F/m, e₂ = 1 F/m, π = 3.14.

Substitute these values into equation 3

C =  [(8.85×10⁻¹²)(1)( 0.0025²)(3.14)]/(0.00075)

C = 0.23×10⁻¹²

C = 2.3×10⁻¹³ F

Answer:

A

Explanation:

edge

The possible valid accesses for an array a and vector v, each with 10 elements is given below:Array: a[0], a[1], a[2], a[3], a[4], a[5], a[6], a[7], a[8], a[9]Vector: v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8], v[9]

The term array is used to define a set of similar data types that are stored in contiguous memory blocks. The index of an array starts at 0, which means the first element of the array is stored at index 0. In the case of arrays, the elements must be of the same data type.The term vector is defined as a dynamic array, which means that the size of the vector can be changed during runtime. Vectors are defined in the same way as arrays, except that they have a dynamic size limit and can be easily resized.

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The given expression can be written in an expanded form as 4,350,000

Given expression:

\(4.35 \times 10^6\)

To find:

To expand the given expression, multiply 4.35 by 1,000,000

\(= 4.35 \times 1,000,000\)

move the decimal point six (6) places to the right and you will obtain the following result.

\(= 4,350,000\)

Therefore, the expanded form of the expression is 4,350,000

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Answer:

5m/s

Explanation:

The skier accelerates at 1 m/s, then, the acceleration is:

\(a=1\frac{m}{s^2}\)

to find the speed after 5 seconds you use the following formula:

\(a=\frac{v-v_o}{t}\)

but vo = 0m/s because the skier is at rest at the beginning.

You do v the subject of the formula:

\(v=at=(1\frac{m}{s^2})(5s)=5\frac{m}{s}\)

hence, the velocity is 5m/s

We can use the formula for the angle of the nth bright fringe. θn = nλ/where θn is the angle from the central maximum to the nth bright fringe, λ is the wavelength of the laser light (543 nm = 5.43 x 10^-7 m), and d is the distance between the two slits (1.57 x 10^-5 m).

To find the angle from the central maximum to the first bright fringe, we can plug in n = 1:θ1 = (1) (5.43 x 10^-7 m) / (1.57 x 10^-5 m) = 0.0187 radians. To find the angle from the central maximum to the second dark fringe, we can use the formula for the angle of the nth dark fringe: θn = (2n - 1)λ/2dWhere n is the number of the dark fringe we're looking for (in this case, n = 2).θ2 = (2(2) - 1) (5.43 x 10^-7 m) / (2(1.57 x 10^-5 m)) = 0.0562 radians. To find the distance from the central maximum to the first bright fringe, we can use the formula for the distance between adjacent bright fringes: y = Ltanθny1 = (1.70 m) tan (0.0187 radians) = 0.056 most, the distance from the central maximum to the first bright fringe is 0.056 meters (or 5.6 cm).In summary, the angle from the central maximum to the first bright fringe is 0.0187 radians, the angle from the central maximum to the second dark fringe is 0.0562 radians, and the distance from the central maximum to the first bright fringe is 0.056 meters.

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The best table to describe the parts of the atom is a 3 column table with 3 rows. The first column is labeled Particle and contains the entries Proton, Electron, and Neutron.

Atom is an open source, cross-platform text editor developed by GitHub. It is a hackable text editor that can be customized to suit the user’s needs and preferences. It is based on Electron, a framework for building cross-platform applications using web technologies such as HTML, CSS and JavaScript. Atom supports multiple panes, allowing users to open and edit multiple files at the same time. It also offers syntax highlighting for a range of programming languages, a built-in package manager for adding new packages, and a selection of themes to customize the look of the editor.

The second column is labeled Charge and contains the entries Positive, 0, and Negative. The last column is labeled Location and contains the entries Inside Nucleus, Outside Nucleus, and Inside Nucleus.

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