A cart of a mass 300 kg is pushed up a track at an angle, Physics

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A cart of a mass 300 kg is pushed up a track at an angle

A cart of a mass 300 kg is pushed up a track at an angle of44 degrees from the bottom to a position that is 30m higher thanthe bottom in a time of 25 seconds. There is no friction.

What is the velocity at the bottom?

If the cart began its upward journey to the top by being propelledfrom a spring that as compressed a distance of 4m, then what is thespring constant?

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