A bike and rider of total mass 75.0 kg moving at a velocity of 30 m/s to the right collides with a skater of mass 60,0 kg mokin

Question

A bike and rider of total mass 75.0 kg moving at a velocity of 30 m/s to the right
collides with a skater of mass 60,0 kg moking at a velocity of 6.0 m/s to the left.
After they collide, the skater has a velocity of O m/s. What is the final velocity of the
bike and rider?
O A. O m/s
O B. 1.8 m/s to the left
O C. 3.0 m/s to left
O D. 1.8 m/s to the right

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Kim Cúc 4 years 2021-07-24T00:43:11+00:00 1 Answers 20 views 0

Answers ( )

  1. mocmien2
    0
    2021-07-24T00:44:58+00:00
    Reply

    Answer:

    (75.0 \times 30) + (60.0 \times 6.0) = (75.0 \times V) + (60.0 \times 0) \\ 2250 + 360 = 75V \\ 75V = 2610 \\ V = 34.8 \: m {s}^{ - 1}

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