Question

The work W required to lift an object varies jointly with the object's mass m and...

The work W required to lift an object varies jointly with the object's mass m and the height h that the object is lifted. The work required to lift a 120-kilogram object  1.8 meters is 2116.8 joules. Find the amount of work required to lift a 150-kilogram object 1.2 meters.

Math   Precalculus   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
1) If a person holds 50 kg object at a height of 2 m above the...
1) If a person holds 50 kg object at a height of 2 m above the floor for 10 s. How much work is done? W = F×d (2) The work done in lifting 30kg of bricks to a height of 20m is W = m ×g × d (Formula, W = F × d but Force = m × g) (3) A total of 4900 J is used to lift a 50-kg mass. The mass is raised to a...
1)A object is released from rest from a height of 1.8 m and moves down the...
1)A object is released from rest from a height of 1.8 m and moves down the incline as shown. What is the angular speed of the object when it reaches the horizontal surface? (ignore the rotational kinetic energy, friction force, drag force).The mass of the object is 50.0 kg. a)5.9 m/s b)3.3 m/s c) 2.5 m/s d)1.8 m/s 2) a 5.0 kg bird, accelerating from rest at a constant rate, experiences a displacement of 28 m in 11 seconds. What...
An object of mass m is shot up an inclined slope at velocity v0. It starts...
An object of mass m is shot up an inclined slope at velocity v0. It starts at ground level. The slope has a coefficient of kinetic friction µk, has height h, slope length d, and is inclined at an angle θ above the horizontal. 1. Find the object’s initial total energy E0 2. Find the work done by friction as the object slides from the bottom to the top of the slope 3. Find the object’s energy E at the...
MATLAB QUESTION In physics, we have an equation to compute the work an object does. The...
MATLAB QUESTION In physics, we have an equation to compute the work an object does. The equation is below. W= F*D A physicist wants to test the equation with a various size boxes suspended in midair. The boxes will be released in free fall a certain distance and the work can be calculated once it hits the ground. The test will be conducted with boxes where mass varies as well as the distance they are dropped at. Below are the...
A B C D E 13. A box with a mass of 8.0 kg is lifted...
A B C D E 13. A box with a mass of 8.0 kg is lifted (without acceleration) through a height of 2.0 m in order to place it upon the shelf of a closet. How many joules of work was required to lift the box to this position? a) 10, b) 16, c) 19.6, d) 157, e) none of the above. A B C D E 14. To stretch a spring a distance of 0.20 m. 30 J of...
Q1.Energy is defined as the ability to do work. the conservation of displacement. the distance traveled...
Q1.Energy is defined as the ability to do work. the conservation of displacement. the distance traveled divided by time. the time rate of doing work. Q2.While rearranging a dorm room, a student does 300 J of work in moving a desk 2.0 m. What was the magnitude of the applied horizontal force? 150 N 600 N 0 N 2940 N Q3.Power is force divided by time. is work divided by time. is work times time. has the same units as...
1. An object with a mass m = 2.0 kg placed on a rough horizontal plane...
1. An object with a mass m = 2.0 kg placed on a rough horizontal plane is connected to a spring with a spring constant k = 1000 N/m. When shrinking the spring x = 2.0 cm after releasing your hand, answer the following questions. Note, the friction coefficient is μ = 0.50. (1) Find the work Ws that the spring did before returning to it's natural length. (2) Find the work Wf that the frictional force did during this...
An object (either solid sphere, hoop or solid disk) of Mass M=10kg and radius R=4m is...
An object (either solid sphere, hoop or solid disk) of Mass M=10kg and radius R=4m is at the bottom of an incline having inclination angle X=40 degrees and base length X=15 meters, with an initial rotational velocity omega(i)=2rad/s; it is subsequently pulled up the the incline by some force F=15 (Newtons) such that at the top of the incline it has a final rotational velocity omega(f)=7rad/s. Determine: a) the linear velocity, b) rotational KE and c) total work and work...
8 through 10 done please!! 3.13.6 Question 110 pts A 319 kg motorcycle is parked in...
8 through 10 done please!! 3.13.6 Question 110 pts A 319 kg motorcycle is parked in a parking garage. If the car has 35,494 J of potential energy, how many meters above ground is the car? Report your answer to 1 decimal place. Please do not include units or the answer will be marked incorrect. Flag this Question Question 210 pts A box sitting on the top of a hill has 252 J of potential energy. If the hill is...
just do questions 5 through 10 3.13.6 Question 110 pts A 319 kg motorcycle is parked...
just do questions 5 through 10 3.13.6 Question 110 pts A 319 kg motorcycle is parked in a parking garage. If the car has 35,494 J of potential energy, how many meters above ground is the car? Report your answer to 1 decimal place. Please do not include units or the answer will be marked incorrect. Flag this Question Question 210 pts A box sitting on the top of a hill has 252 J of potential energy. If the hill...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT