Question

Two girls each weight 500 N. Ride in a car traveling at 20.0 m/s. One wears a seat belt. The other does not. In an accident the girl wearing the seat belt is brought to a stop in 0.120 seconds. The dashboard brings the other one to a stop in only 0.00800 seconds.

What is the impulse exerted on each girl?

What is the force exerted on each girl?
bobpursley
force*time=impulse*mass*changevelocity
Two girls each weight 500 N. Ride in a car traveling at 20.0 m/s. One wears a seat belt. The other does not. In an accident the girl wearing the seat belt is brought to a stop in 0.120 seconds. The dashboard brings the other one to a stop in only 0.00800 seconds.

What is the impulse exerted on each girl?

What is the force exerted on each girl?



physics - bobpursley, Thursday, February 3, 2011 at 6:36pm
force*time=impulse*mass*changevelocity
please explain. I don't understand

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