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A 13-KG SLED IS MOVING AT A SPEED OF 3.0M/S. AT WHICH OF THE FOLLOWING SPEEDS WILL THE SLED HAVE TWICE AS MUCH KINETIC ENERGY sorry about the capitals letters
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A 13-KG SLED IS MOVING AT A SPEED OF 3.0M/S. AT WHICH OF THE FOLLOWING SPEEDS WILL THE SLED HAVE TWICE AS MUCH KINETIC ENERGY

sorry about the capitals letters

User Rod Kimble
by
8.0k points

1 Answer

4 votes
4.2m/s
KE =(1/2)mv^2
insert your numbers to find how much kinetic energy you have.
then double that number and solve for v
which gives you how fast the sled will have to go in order to reach that kinetic energy
User Janaka Pushpakumara
by
8.1k points
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