Asked by dayo

the speed of a bullet of mass is 40gram is 216km/h what is the kinetic energy in joule
Answered by Henry
V = 216,000m/h * (1h/3600/s) = 60m/s.

mass = 40g / 1000g/kg = 0.04kg.

KE=0.5mV^2=0.5 * 0.04 * 60^2=72 Joules.
Answered by Zikirullah fatimah
60×72×4=16800
Answered by MUSA
K.E
Answered by Usman Mohammed
what is the kinetic energy of a bullet of mass 40g mounting with a speed of 250kmh
Answered by Felicia
I said 20 g not 40 g
Answered by Joseph
72 joules
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