A(n) 12000 lb railroad car traveling at 7 ft/s

couples with a stationary car of 7600 lb.

The acceleration of gravity is 32 ft/s2 .

What is their velocity after the collision?

Answer in units of ft/s.

What impulse did the first car receive?

Answer in units of lb s.

couples with a stationary car of 7600 lb.

The acceleration of gravity is 32 ft/s2 .

What is their velocity after the collision?

Answer in units of ft/s.

What impulse did the first car receive?

Answer in units of lb s.

Please find...

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Answer to 6938974

Wt of railroad car=12000lb

Speed=7 ft/sec

A=32ft/sec

Velocity after it gets coupled=12000*7/(12000+7600)

=4.28 ft/sec

Impulse the first car receive=m*v-m*u

=(12000*7)-(19000*4.28...