Register
What is the net work done to lift a 6 kg block a height of 5.3 meters and then lower it back to the ground where it started?
48.1k views
15 votes
What is the net work done to lift a 6 kg block a height of 5.3 meters and then lower it back to the ground where it started?

User Ordonezalex
by
4.9k points

1 Answer

11 votes

Answer:

636 J

Step-by-step explanation:

The weight of the block is =mg = 6kg × 10 ms-2 = 60 N

Since it was raised and dropped back to it's original position, distance = 5.3 × 2 = 10.6 m

Work done = 60N × 10.6 m = 636 J

User Marc Maxmeister
by
5.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.3m questions

6.9m answers

Other Questions

A space shuttle is approaching the surface of the moon to land. It approaches the moons surface with an initial velocity of 28m/s and is slowing at a rate of -2m/s^2. Show all work and units for problems.
An object is thrown downward with an initial velocity of 3 feet per second. The relationship between the distance s it travels and time t is given by s = 3t + 16t2. How long does it take the object to
________ is a measure of the internal energy that has been absorbed or transferred from one body to another, often due to a difference in temperature.
5. What happens to the arrangement of water molecules as ice melts? A Molecules gain enough energy to escape as vapor. B Molecules release enough energy to escape as vapor. C Molecules gain enough energy
A projectline is shot from the edge of a cliff 100 m above the ground with intial speed 10 m/s at an angle 30 with the horizontal. 1) determine the time taken by the projectile motion to hit the ground
Link Copied!