Register
A block sits at rest on a table, 0.9 m above the ground. If the black has a six J of energy (with the ground set as zero height level), what is the mass of the block?
229k views
3 votes
A block sits at rest on a table, 0.9 m above the ground. If the black has a six J of energy (with the ground set as zero height level), what is the mass of the block?

User Tom Alabaster
by
4.7k points

1 Answer

7 votes
mgh=6
=> m=6/g/h =>m=6/9.8/.9=0.68kg
User Petraszd
by
4.9k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.8m questions

7.5m answers

Other Questions

How does the capacitance of a parallel plate capacitor change with the geometry of the capacitor?
Explaining Wave Speed through Different Media Explain why the speed of light is lower than 3.0 × 108 m/s as it goes through different media.
Indy runs 2 kilometers every morning. She takes 2 minutes for the first 250 meters, 4 minutes for the next 1,000 meters, 1 minute for the next 350 meters, and 3 minutes for the rest. Cindy’s average speed
A space station that does not rotate cannot simulate gravity for its occupants. A)True B)False From within a rotating reference frame, the centrifugal force simulates gravity. A)True B)False On a rotating
Explain why the roller coaster’s potential energy is greater at point 1 than at point 4.
Link Copied!