A slingshot fires a pebble from the top of a building at a speed of 10.3 m/s. The building is 38.4 m tall. Ignoring air resistance, find the

Question

A slingshot fires a pebble from the top of a building at a speed of 10.3 m/s. The building is 38.4 m tall. Ignoring air resistance, find the speed with which the pebble strikes the ground when it is fired vertically straight up.

in progress 0
Ben Gia 4 years 2021-07-27T18:27:04+00:00 1 Answers 46 views 0

Answers ( )

    0
    2021-07-27T18:28:51+00:00

    Answer:

    29.30m/s

    Explanation:

    From the question the equation the net work done by the external non-conservative force is zero Wnet work = 0J

Leave an answer

Browse

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