How much work is done by the force of gravity on the box

Reference no: EM13313051

A 20kg box slides 45m from the top down to the bottom of an incline that is 10 degrees to the horizontal. The box is stationary at the top of the slope and is accelerating down the slope at a rate of 1.0m/s^2.

a. How much work is done by the force of gravity on the box?

b. Howm uch work on the box is done by the frictional force?

c. What is the kinetic energy of the box at the bottom of the slope?

d. How much gravitational potential energy has the box lost while traveling down the slope?

Reference no: EM13313051

Questions Cloud

What is the power output of the crane : a crane is lifting a 500 kg payload straight up at a constant speed of 0.7 m/s. What is the power output of the crane

What is the maximum height that this bullet could reach : An 8 g bullet leaves a gun at 700 m/s.? what is the maximum height that this bullet could reach

Expert system can be useful for many types of problems : Expert system can be useful for many types of problems except problems

Write a computer program that generates a sequence : write a computer program that generates a sequence of binomial random variables with parameters n=20 and p=0.3. a) use the inverse c.d.f approach

How much work is done by the force of gravity on the box : A 20kg box slides 45m from the top down to the bottom of an incline that is 10 degrees to the horizontal. How much work is done by the force of gravity on the box

Explain how to verify that the third central moment is zero : Write a computer program that generates a sequence of random variables from a normal distribution with mean 5 and standard deviation 2. a) Verify that sample mean and the sample variance converge to the respective population values.

Prepare a job cost sheet : Prepare a job cost sheet and record the information given above and also a cost summary for job and prepare a purchases budget in units and dollars for the quarter ending 30th December 2014.

Find the magnification of the image : An object is 12.0 cm from the surface of a spherical Christmas tree ornament that is 8.00 cm in diameter. What is the magnification of the image

Design a database for an insurance company : Consider a video game store. For each game, the database contains information about title, producing company name, designer(s) name(s), version of the game, type of the game and characters in the game.

User Account

All Pages