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Julli [10]
3 years ago
14

Calculate kinetic energy of an 86kg scooter moving at 18 m/s

Physics
1 answer:
myrzilka [38]3 years ago
7 0

Calculate the kinetic energy of an 86-kg scooter moving at 18 m/s?

K.E.      =      (1/2)mv^2

K.E.      =        (1/2)86   *   18^2

K.E.       =         (Answer  Unit)     =====>    J

M     =      86kg

V      =        18 m/s

Significant Figures  ======>    6

Answer:   ======>   KE     =      13932 J



Show work:

1/2  *    86   *   18^2

(1/2)86  *  18^2

Remove Parenthesis:      

a        =       a

1/2 *  86  *  18^2

Multiply Fractions:

a * b/c     =    a  *  b/c

=     1  *  86  *  18^2/2

Multiply the numbers:

1  *  86     =     86

18^2    *    86/2

Divide the numbers:

86/2     =     43

18^2   *    43

18^2     =     324

43    *    324

Multiply the numbers:

43   *    324

13932

Therefore,  Your answer   is    KE    =     13932 J



Hope that helps!!!!                                   : )  sorry for the long explanation!!!








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