Question

Which has the larger kinetic energy, a 15 g bullet fired at 600 m/s or a 70 kg bowling ball rolled at 5.0 m/s ?

Answer 1

kinetic energy is defined as 1/2 * m * v^2

Answer 2

m stands for mass

Answer 3

change to Si units

Answer 4

is it the bullet?

Answer 5

i wouldnt guess, did you plug in?

Answer 6

yea the bullet was higher

Answer 7

is v equal to 600m/s

Answer 8

this website is very glitchy

Which has the larger kinetic energy, a 15 g bullet fired at 600 m/s or a 70 kg bowling ball rolled at 5.0 m/s ?

bullet:
1/2 * (15/1000) kg * (600)^2 = 2700 Joules

ball :
1/2 * 70 (5)^2 = 875 Joules

Answer 9

so its the bullet