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Physics

Priscilla Murray

Starting from the center of the earth number it's layers in correct order

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Physics

Bruno Chandler

Fiona did an experiment to find the relationship between the angle at which a ray of light strikes a mirror and the angle at which the mirror reflects light. she placed a ray box in front of a mirror. She changes the angle at which the light from the ray box struck the mirror and noted the corresponding angle at which the mirror reflected the light. Which of the following is the independent variable in this experiment?

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Physics

Carissa Pratt

According to Newton's law of universal gravitation, which statement is true?

A. Lighter objects experience a higher acceleration than heavier objects.

B. Falling objects accelerate as they approach the ground.

C. The weight of an object increases as it moves away from the ground.

D. Lighter objects experience a lower acceleration than heavier objects.

E. The mass of an object increases as it moves closer to the ground.

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Physics

Higgins

Thermal radiation is defined as what?

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Physics

Geovanni Wilson

What are the similarities between p waves S waves and surface waves

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Physics

Jarrett Burgess

How is sound energy produced

A. Vibrating objects

B. objects being heated

C. Temperature differences

D. Stationary objects

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Physics

Edith Mercer

A 36.9-kg crate rests on a horizontal floor, and a 64.9-kg person is standing on the crate. Determine the magnitude of the normal force that (a) the floor exerts on the crate and (b) the crate exerts on the person.

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Physics

Leah Burgess

Two samples of water sample a mass at 100 G BB mass at 250 g they both have the same initial temperature and are allowed to cool to room temperature what would be the temperature change in Sample be compared to sample a

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Physics

Nemo

Mrs. Perez added a room temperature copper cube and an aluminum cube she just removed from the freezer to a beaker of boiling water. She left thw cubes in the water for three hours. Which of the following describes a heat flow tha took place during those three hours?

A. From the aluminum cube to the beaker.

B. From the copper cube to the boiling water.

C. From the aluminum cube to the copper cube.

D. From the bolling water to the aluminum cube.

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Physics

Angelique Buchanan

List some exothermic and endothermic processes

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Physics

Cecilia Berg

You did 200 of work lifting a 150 newton-pack. how high did you lift the bookbag

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Physics

Johnathan Rowe

What is meant by e. m. f. class 10 physics.

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Physics

Bridger Prince

How does the Law of Conservation of Energy impact the amount of energy that is available on our planet?

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Physics

Dax Wagner

A brand of a lightbulb has a power of 55w and an efficiency of 1.6% how much power is wasted as heat by this lightbulb

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Physics

Gabriela Bell

If 3,600 J of work is done in 3.0 s, what is the power?

0.00083 W

1,200 W

3,600 W

11,000 w

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