Calculate the momentum and kinetic energy of a 50mg object at a speed 250 m/s

Question

Calculate the momentum and kinetic energy of a 50mg object at a speed 250 m/s

Answer 1

p = mv

m = 50 x 10^-6 kg

v = 250 m/s

Plug in the numbers in these units, and get the answer in kg m/s.

K = mv²/2

Plug in the numbers in the same units as above, and get K in joules.