Posted by Mary on Sunday, June 6, 2010 at 2:27pm.
Total momentum
= 2kg*4m/s + 8kg*(-2m/s)
= -8 kg-m/s
Final velocity for an inelastic collision
= -8 kg-m/s / (2kg+8kg)
= -0.8 m/s
Since the velocity is negative, the final velocity is towards the left.
Moving At 20m/s,a car with a mass of 7.0x10^2kg collides with a stationary truck with a mass of 1.4x10^3 kg. If the two vehicles stick together resulting from the collision, what is the velocity of the combined car and truck?
If a 10g bullet is fired from a 2000g rifle with a velocity of 500m/s at what velocity does the rifle recoil against the shooters shoulder??
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