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Anni [7]
3 years ago
9

Boat A and Boat B have the same mass. Boat A’s velocity is three times greater than that of Boat B. Compared to the kinetic ener

gy of Boat B, the kinetic energy of Boat A is one-third as much. three times as much. six times as much. nine times as much.
Biology
2 answers:
timama [110]3 years ago
6 0
<h2>Comparing kinetic energy of Boat A and B -Option 4 </h2>

Compared to the kinetic energy of Boat B, the kinetic energy of Boat A is nine times as much. Kinetic energy ( K.E ) is the energy which is possessed due to movement or motion. Its formula is 1 / 2 mv 2, there is square of velocity in terms of kinetic energy.

If the velocity of boat A is three times greater than that of boat B and the condition is both boats have the same mass so by putting values. Mass is constant and the square of velocity is ( 3 ) 2 = 9 therefore, 1 / 2 m ( 3v ) 2 = 1 / 2 m 9 v 2.

If we write it as 9 ( 1 / 2 m v 2 ) it means that kinetic energy of boat A is nine time as much.          

Kobotan [32]3 years ago
4 0
D. Nine times as much.
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