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Len [333]
3 years ago
8

Find the speed of a 5.6-kg bowling ball that has a kinetic energy of 25.2 J.

Physics
1 answer:
crimeas [40]3 years ago
7 0

                                          Kinetic energy = (1/2) (mass) (speed)²

                                         25.2 J                =  (1/2) (5.6kg) (speed)²

Divide each side
by (2.8 kg) :                     25.2 J / 2.8 kg  =                         speed²

Take the square root
of each side:                   speed = √(9 m²/sec²)

                                                      =  3 m/s .

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