from a homework

Degree Level: Pre-College

 

Question:

An 800.0-kg car is traveling along a wet road at a velocity of 25.5 m/s. A 1000.0-kg car is traveling along the same road in the same direction at 34.7 m/s. The two cars collide and lock together.

Answer the following questions.

-The two interlocked cars proceed at what velocity after the collision?

-Compare the kinetic energy of the two-car system immediately before the collision and after the collision.

-Discuss any transfer of energy that occurs, and explain whether this is an elastic or inelastic collision.

.If the coefficient of sliding friction between the tires of the cars and the wet pavement is 0.7, calculate the force of friction.

How long does it take for the two interlocked cars to come to a complete stop on the wet pavement?

Answer:

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