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Physics

Bethany Maynard

Is the following sentence true or false? Some information about an object or process may be missing from a model.

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Physics

Haiden

If V is a velocity, l a length, and v a fluid property having dimensions of L2T-1, which of the following combinations are qualitatively dimensionless (show work for a through d) : (a) V l v (b) Vl/v (c) V2v (d) V / (l v)

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Physics

Binky

What happens to the total mechnical energy of the apple as it falls from the tree?

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Physics

Adriel Ruiz

Fair Bonus Question: Derive the equation for gravitational potential energy, starting with the definition of work.

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Physics

Amiah

A juggler throws a bowling pin into the air with an initial velocity. Another juggler drops a pin at the same instant.

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Physics

Mariela Clarke

The liquid electrolyte in the battery typically takes what kind of net charge?

a. positive

b. negative

c. neutral

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Physics

Jamiya Graves

Relating to Newton's Third Law, action and reaction, what is the reaction when a rocket expels gas, smoke and flames from the nozzle end of the rocket engine?

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Physics

Kaleigh

Three light bulbs are connected to a battery in a series circuit. How will the bulbs behave if the circuit is closed?

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Physics

Zavier Shepard

Luke investigated the heating of water

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Physics

Jimena Bush

In the nucleus of all atoms are sub-atomic particles called protons and neutrons. all protons have a positive charge. since all like-charged particles repel each other, you would logically conclude that protons could not stay in close proximity to each other in an atom's nucleus. how do you explain the fact that protons stay close together in the nucleus?

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Physics

Sabrina Lin

In a polar covalent bond

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Physics

Tamara Stein

Lindsay is late to class and is running down the hallway at a speed of 2 m/s the length of the hallway is 150 meters. How long will it take her to run down the hallway?

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Physics

America Keller

Which of the following is evidence that groundwater causes erosion and deposition?

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Physics

Persy

Changing the direction of current will or will not affect the strength of an electromagnet

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Physics

Wright

A swimming pool has the dimensions of 10 meters, 5 meters, and 1 meter. What is the pool's volume?

50 m

50 m3

50 m2

25 m3

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