9.) A truck tire has a radius of 0.5m. When the tire rolls through 2 revolution,

Question

9.) A truck tire has a radius of 0.5m. When the tire rolls through 2 revolution, how far forward will the wheel travel? a.) 6.3m b.) 12.6m c.) 2m d.) 2.6m 10.) A tennis player receives a tennis ball (m- 0.06 kg) traveling horizontally at a speed of 50m/s and returns the ball horizontally with a speed of 40m/s. What is the impulse delivered to the ball by the tennis racquet? a.) 4.5 kgm/s b.) 5.4 kgm/s c.) 6 kgm/s d.) 5.6 kgm/s Short Answer 11.) Since Energy can neither be created or destroyed, where does it go in an inelastic collision?

Explanation / Answer

circumferance = 2pi r

distance covered in 2 revolutions = 2 ( 2pir) = 4 (3.14) (0.5) = 6.3 m

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