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Physics

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Zoie Rolfson

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Cards in this guide (13)
Properties of matter are typically broken into two categories physical and

chemical

Which form of energy is due to the movement of electrons

ELECTRICAL

Which of the following expressions are correct for impulse

F the triangle thingy and t

the triangle thingy then p

Everything in or on water pushes some water aside even if it's just a little bit What is this called

This is called "displacement", as the weight of water that moves is equal to the weight of the object on the water. Heavier objects displace more water. If the total weight of the object is greater than the water displaced by its volume, it is denser than water, and sinks.

A soccer player sprinting down the field demonstrates which form of energy

kinetic

What the the two main states of mechanical energy

Potential energy and Kinetic energy

Is momentum a vector quantity because it includes velocity which is also a vector quantity

yes, momentum is a vector quantity.

Spaceship 1 and Spaceship 2 have equal masses of 200 kg They collide Spaceship 1's final speed is 2 ms and Spaceship 2's final speed is 1 ms in the same direction What is their combined momentum

2,000 kg-m/s "Apex"

In situations is mechanical energy conserved

It depends on the situation

How much work must be done on a 5 kg snowboard to increase its speed from 2 ms to 4 ms

work=mass*speed,5*2=10

In a collision a vehicle that rebounds off the object it trikes experiences less force than if it crumples assuming the time is the same in both situations

false

Spaceship 1 and spaceship 2 have equal masses of 300kg spaceship 1s has a speed is 0 ms and spaceship 2 has a speed of 4 ms. they collide and stick together. what is their speed

2 m/s

Which of the following items does not use a wheel and axle (Apex)

a bicycle

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