Question

A projectile is launched at 45° to the horizontal with an initial kinetic
energy E. Assuming air resistance to be negligible what will be the
kinetic energy of the projectile when it reaches its highest point?
A. 0.50 E
B. 0.71 E
C.0.70 E
D. E​

Answer 1

Answer:

c. answeer is the right

Answer 2

Answer:

Correct answer is A

Explanation is in the pic

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