Mark pushes his broken car 140 m down the block to his friend’s house. He has to exert a 110 N horizontal force to push the car at a constan

Question

Mark pushes his broken car 140 m down the block to his friend’s house. He has to exert a 110 N horizontal force to push the car at a constant speed. How much thermal energy is created in the tires and road during this short trip?

in progress 0
Kiệt Gia 4 years 2021-07-17T13:57:43+00:00 1 Answers 113 views 0

Answers ( )

  1. huyenthanh
    0
    2021-07-17T13:58:44+00:00
    Reply

    Answer:

    Explanation:

    This is a work problem…energy is created and used in the form of work.

    W = FΔx where W is work, F is the force needed to move the object Δx in meters.

    W = 110(140) ∴

    W = 15000 J

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )