If a sled has at the top of 10 m hill had 1000 J of potential energy what would happen to the PE if the sled were to moved to a 5 m hill?

500J

Explanation:

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a displacement distance is size of displ

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.