How fast would a 2-kilogram object need to move to have the same kinetic

energy as a 4-kilogram object moving at 8 meters per second?

Why does a person's mass stay the same when he travels to the moon, but his weight changes? Give a detailed answer that includes scientific terms.

Which statement describes the kinetic energy and total mechanical energy of a block as it is pulled at constant speed up an incline? (1) Kinetic energy decreases and total mechanical energy increases.

A juggler tosses balls vertically to height H. To what height must they be tossed if they are to spend twice as much time in the air?

Initially a wheel rotating about a fixed axis at a constant angular deceleration of 0.7 rad/s 2 has an angular velocity of 0 rad/s and an angular position of 8.8 rad. What is the angular position of the wheel after 2.7 s? Answer in units of rad.

Which identifies that a chemical reaction has occurred?

when we examine the structures of the other terrestrial planets in our solar system, we see that their structure is similar to Earth's. Why do you think this is the case?

An ant is crawling along a straight wire, which we shall call the x axis, from A to B to C to D

How does a very heavy object resist sliding sideways when you push hard on it?

A go-cart traveled at 200 meters in 18 seconds. what was the average speed of the go cart?

A cartoon plane with four engines can accelerate at 8.9 meters per second squared