A 450 gm ball moving in the +x-direction at 15 m/s is hit by a bat. It's final velocity is 21 m/s blä 5 in the -x-direction. The bat acts on the ball for 0.015 s. Find the average force exerted on the .ball by the bat -1080 KN O -0.180 KN O +1080 KN O -1.1 KN O +0.180 KN O +180 KN O

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Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.