Question

an elephant of mass 2000 kg is running at a speed of 2 kilometre per hour find its kinetic energy​

Answer 1

Answer:

Fiven:

a) Mass of elephant =2000 kg

Velocity =5 m/s

Momentum =2000×5=10000 kg. m/s

b) Mass of bullet =0.02 kg

Velocity =400 m/s

Momentum =0.02×400=8 kg.m/s

Answer 2

Answer:

) Mass of elephant =2000 kg

Velocity =5 m/s

Momentum =2000×5=10000 kg. m/s

b) Mass of bullet =0.02 kg

Velocity =400 m/s

Momentum =0.02×400=8 kg.m/s