A rock is thrown vertically upward with a velocity of \(20\,\text{m/s}\) from the edge of a bridge \(42\,\text{m}\) above a river.(a) What is the rock’s speed just before it falls into the river? , (b) How much time does it take from the time the rock is launched to the time when the rock strikes the river water? :

A rock is thrown vertically upward with a velocity of \(20\,\text{m/s}\) from the edge of a bridge \(42\,\text{m}\) above a river. • Nerd Notes

AP Physics 1

1.3 Representing Motion

1.2 Displacement, Velocity, and Acceleration

BeginnerFRQMathematical17.8k

A rock is thrown vertically upward with a velocity of \(20\,\text{m/s}\) from the edge of a bridge \(42\,\text{m}\) above a river.

Accounts are free! Log in to try this question, see explanations, save progress, and more!

Elite Physics Tutoring with Jason.Fast, 1 to 1 help on AP Physics 1. Understand weeks of complex concepts in just one session.Book a SessionSee all our elite tutors