A typical luge track is 1315 meters long and the fastest sleds can reach speeds close to 90 mph. If a single luge starts from rest and reaches a speed of 36 m/s in 15 seconds, what is the acceleration of the luge?
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Question 2
2.
A giant slalom skier moves downhill at 8.5 m/s and increases her speed for 4 seconds at a rate of 2.6 m/s2. What is her final velocity?
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Question 3
3.
If a cheetah starts with a velocity of 1 m/s east, and accelerates to a velocity of 4 m/s east in 6 seconds, what is its acceleration?
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Question 4
4.
How long does it take a bus to speed up from 10 m/s to 40 m/s at a rate of 6 m/s2?
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Question 5
5.
If a car begins at a rate of 4 m/s, and increases this rate at 5 m/s2 for 4 s, what is the new rate of the car?
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Question 6
6.
A batter swings a 1.2 kg bat with a speed of 80 m/s toward a baseball. If it takes 3 seconds from start to finish, what is the acceleration of the bat?
Be sure to show: formula, substitution with units, final answer with units.