Julie is cycling at a speed of 3.4 meters/second. If the combined mass of the bicycle and Julie is 30 kilograms, what is the kinetic energy?

Question

Julie is cycling at a speed of 3.4 meters/second. If the combined mass of the bicycle and Julie is 30 kilograms, what is the kinetic energy?

A.
1.7 × 102 joules
B.
1.5 × 102 joules
C.
2.0 × 102 joules
D.
2.2 × 102 joules

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Latifah 1 year 2021-09-02T01:57:10+00:00 1 Answers 18 views 0

Answers ( )

  1. Doris
    0
    2021-09-02T01:58:32+00:00
    Reply

    Answer:

    A

    Explanation:

    KE = 1/2 mv^2

    =1/2(30kg)( 3.4 m/s)^2

    =173.4 joules

    =1.7×10^2 joules

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