A football player with a mass of 85 kg wears a uniform and helmet that have a mass of 4.5 kg. The football player moves at 2.1 m/s. What is the total momentum of the football player and uniform?

Respuesta :

Momentum = Mass * Velocity

Total mass = 85 + 4.5 = 89.5 kg

Velocity = 2.1 m/s

Total momentum = Total Mass * Velocity

                              = 89.5 kg  * 2.1 m/s

                              = 187.95 kgm/s   or     187.95 Ns