Register

A rock is thrown 0.8 meters into the air. Find how fast it was thrown

A rock is thrown 0.8 meters into the air. Find how fast it was thrown
123k views
5 votes
A rock is thrown 0.8 meters into the air. Find how fast it was thrown

User GavinBrelstaff
by
7.8k points

1 Answer

2 votes
g = -10 m/s
s = 0.8 m
v = 0
u = ?

2as = v² - u²
-16 = - u²
u² = 16
u = 4 m/s
User Peter Uithoven
by
8.1k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
what is a device that transforms thermal energy to mechanical energy
How many light sources do you know Pls list them
Link Copied!