Solving Projectile Motion Using Energy Video Lessons

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Problem: (a) At what height h above the ground does a projectile have a speed of 0.5v0?(b) What is the speed u of the object at the height of (1/2)hmax?

FREE Expert Solution

Law of conservation of energy:

K.E0+P.E0=K.Ef+P.Ef12mv02+mgh0=12mvf2+mghf

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Problem Details

(a) At what height h above the ground does a projectile have a speed of 0.5v0?

(b) What is the speed u of the object at the height of (1/2)hmax?

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