Ask Question
23 April, 16:14

A slingshot fires a pebble from the top of a building at a speed of 17.5 m/s. The building is 31.5 m tall. Ignoring air resistance, find the speed with which the pebble strikes the ground when the pebble is fired in the following directions.

+4
Answers (1)
  1. 23 April, 16:29
    0
    The speed with which the pebble strikes the ground is 30.4m/s

    Explanation:

    Initial velocity (u) = 17.5m/s, height (h) = 31.5m, acceleration due to gravity (g) = 9.8m/s^2

    V^2 = u^2 + 2gh = 17.5^2 + 2*9.8*31.5 = 306.25 + 617.4 = 923.65

    V^2 = 923.65

    V = √923.65 = 30.4m/s
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “A slingshot fires a pebble from the top of a building at a speed of 17.5 m/s. The building is 31.5 m tall. Ignoring air resistance, find ...” in 📗 Physics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers