   Chapter 6, Problem 49P

Chapter
Section
Textbook Problem

A 90.0-kg fullback running cast with a speed of 5.00 m/s is tackled by a 95.0-kg opponent running north with a speed of 3.00 m/s. (a) Why does the tackle constitute a perfectly inelastic collision? (b) Calculate the velocity of the players immediately after the tackle and (c) determine the mechanical energy that is lost as a result of the collision, (d) Where did the lost energy go?

(a)

To determine
Why does the tackle constitute a perfectly inelastic collision.

Explanation

The time interval of the collision is too small that the external forces have no effect on the collision. As the two players move together after the ta...

(b)

To determine
The velocity of the players immediately after the tackle.

(c)

To determine
The mechanical energy that is lost as a result of the collision.

(d)

To determine
Where did the lost energy go.

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