Reference no: EM132567551

(a) Car a is 3000N moves at velocity 3 m/s east. A car B approaches car A at velocity 4 m/s wedt. Determine the velocity of car A if (a) the two cars get stuck together after collision; (b) car B moves 5m/s west; (c) car B moves 3m/s east

(b) A 50 kg mass is sitting on a frictionless surface. An unknown constant force pushes the mass for 2 seconds until it reaches a velocity of 3m/s.(a) what is the initial momentum of the mass? (b) what is tge final momentum of the mass? (c) what is the impulse acting on the mass?

(c) Determine the energy used by a rotary pump with power of 400 watts. The pump works for a period of 5minutes and rotates 5 rounds.

(d) A 95 kg runningback runs accelerates from 5.0 m/s to a final velocity. determine his final velocity given that the power is 200 Joule/sec and the running was done for 5 seconds.