Ask Question
8 April, 17:43

If there were no air resistance, a penny dropped from the top of a skyscraper would reach the ground 9.3 s later. To the nearest integer, what would the penny's speed in m/s be right as it reaches the ground if it was dropped from rest?

+2
Answers (1)
  1. 8 April, 18:10
    0
    To the nearest integer, the penny's speed in m/s be right as it reaches the ground if it was dropped from rest = 91 m/s

    Explanation:

    We have equation of motion

    S = ut + 0.5at²

    Here u = 0, a = g and t = 9.3 s

    We have equation of motion v = u + at

    Substituting

    v = u + at

    v = 0 + 9.8 x 9.3 = 91.14 m/s

    To the nearest integer, the penny's speed in m/s be right as it reaches the ground if it was dropped from rest = 91 m/s
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “If there were no air resistance, a penny dropped from the top of a skyscraper would reach the ground 9.3 s later. To the nearest integer, ...” 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