Answer: 2,200 feet
<u>Explanation:</u>
Use the following conversions: 1 mile = 5280 feet, 1 hour = 60 minutes
A car starts from rest down a straight, flat road and gets up to 22 m/s after 33 seconds.
1 answer:
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The speed of the stone is 7.7 m/s
Explanation:
The kinetic energy of a body is the energy possessed by the body due to its motion. Mathematically,
where
m is the mass of the body
v is its speed
For the stone in this problem, we have:
K = 150 J is its kinetic energy
m = 5.0 kg is its mass
Re-arranging the equation for v, we find the speed of the stone:
Learn more about kinetic energy:
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