A 1 200-Kg Experimental Rocket Sled on Level Frictionless Rails

A 1 200-kg experimental rocket sled on level frictionless rails is loaded with 55.0 kg of propellant.It exhausts the propellant in a 20-s "burn." If the rocket,initially at rest,moves at 155 m/s after the burn,what impulse is experienced by the rocket sled?

A) 8.5E+3 kg⋅m/s
B) 1.3E+5 kg⋅m/s
C) 1.9E+5 kg⋅m/s
D) 8.5E+5 kg⋅m/s
E) 2.1E+5 kg⋅m/s

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free