8. Jax bounced a dodgeball off a wall. The dodgeball has a momentum of 32.6 kg · m/s after the collision. What is the total momentum of the system before the collision?

Explanation:

= Final momentum of the system =

According to the principle of conservation of angular momentum we have

The wall is not moving so the initial and final momentum of the system are equal.

So, the total momentum of the system before the collision is .

a) are muscles that have bands.

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total distance travelled = 60 miles

total time taken =1.5 hours

average speed = total distance / total time

60 / 1.5

= 40

therefore, average speed = 40 m/h

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