Asked by Jonathan

A 9.90-g bullet has a speed of 1.33 km/s.
(a) What is its kinetic energy in joules?
(b) What is the bullet's kinetic energy if its speed is halved?
(c) What is the bullet's kinetic energy if its speed is doubled?
Answered by drwls
(a)
(1/2) M V^2.
Make sure M is in kg and V is in m/s.

(b) (1/4) f what it is in (a)
(c) What do you think? What happens to V^2 if you double V?
Answered by Anonymous
why can’t y’all just answer the question :)
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