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Q: During a race, a runner runs at a speed of 6 m/s. 2 seconds later, she is running at a speed of 10 m/s. What is the runner’s acceleration? Show your work.
A: a = (v2 - v1)/t = (10 - 6)/2 = 2 m/sec/sec (average acceleration).
Original conversation
User: During a race, a runner runs at a speed of 6 m/s. 2 seconds later, she is running at a speed of 10 m/s. What is the runner’s acceleration? Show your work.

Weegy: a = (v2 - v1)/t = (10 - 6)/2 = 2 m/sec/sec (average acceleration).
lloyde|Points 0|

User: If you ride your bike at an average speed of 4 km/h and need to travel a total distance of 28 km, how long will it take you to reach your destination? Show your work.

User: A small dog is trained to jump straight up a distance of 1.2 m. How much kinetic energy does the 7.2-kg dog need to jump this high? (The acceleration due to gravity is 9.8 m/s2.) Show your work.

Weegy: The answer is 85J The formula is 7.2 * 9.8 * 1.2 = 84.67200
jeifunk|Points 9399|

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