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Vector and Motion Relay Race. In a relay, each contestant runs 25.0 m while carrying an egg balanced on a spoon, turns around, and comes back to the starting point. Edith runs the first 25.0 m in 20.0 s. On the return trip she is more confident and takes only 15.0 s. What is the magnitude of her average velocity for (a) the first 25.0 m? (b) the return trip? (c) What is her average velocity for the entire trip round trip? (d) What is her average speed for the entire round trip?

Sagot :

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Answer:

Vector and Motion Relay Race. In a relay, each contestant runs 25.0 m while carrying an egg balanced on a spoon, turns around, and comes back to the starting point. Edith runs the first 25.0 m in 20.0 s. On the return trip she is more confident and takes only 15.0 s. What is the magnitude of her average velocity for (a) the first 25.0 m? (b) the return trip? (c) What is her average velocity for the entire trip round trip? (d) What is her average speed for the entire round trip?

Explanation:

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