Question

(2) help pls




An owl with a mass of 1.5 kg sits on top of a post 2 m high. He flies off at the same height as the post, at a speed of 6 m/s.


What is the gravitational potential energy of the owl on the post? Tick one box.


A (1.5 kg × 2 m) / 10 N/kg = 0.3 J


B 1.5 kg × 2 m × 6 m/s = 18 J


C 1.5 kg × 10 N/kg × 2 m = 30 J


D 2 m × 6 m/s × 6 m/s = 72 J


(1)










Of year


Calculate the kinetic energy stored in the flying owl.












_________________ J


(3)


Justify how energy is conserved in this closed system. Refer to both gravitational potential and kinetic energy in your answer.

Answer 1

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