Question

A = 3, B = 9, C = 18. A student pulls a (25.0+A) kg box...

A = 3, B = 9, C = 18. A student pulls a (25.0+A) kg box a distance of (4.50 + B) m up a ramp set at 25.8o using a force of (154 + C) N applied parallel to the ramp. Find the efficiency of the ramp. Give your answer in percent (%) and with 3 significant figures.

Science   Physics   
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
A powered winch pulls a 82.5-kg box up a frictionless ramp of height h = 4.65...
A powered winch pulls a 82.5-kg box up a frictionless ramp of height h = 4.65 m by a cable as shown in the figure below. The ramp rises at an angle θ = 25.0° above the horizontal. The box, starting from rest at the bottom, steadily accelerates at 2.05 m/s2 to a final speed of 6.72 m/s at the top. (a) the average power P delivered by the winch (via the cable's tension) to the box while being pulled...
question 1: Let A be the last digit, let B be the second to last digit,...
question 1: Let A be the last digit, let B be the second to last digit, and let C be the sum of the last three digits of your 8-digit student ID. Example: for 20245347, A = 7, B = 4, and C = 14. Starting from rest, a student pulls a (25.0+A) kg box a distance of (4.50 + B) m across the floor using a (134 + C) N force applied at 35.0 degrees above horizontal. The coefficient...
A = 3, B = 9, C = 18. A car with mass (425 + C)...
A = 3, B = 9, C = 18. A car with mass (425 + C) kg attempts to make a turn with a radius of (22.8 + A) m at a speed of (12.5 + B) m/s on a horizontal surface. What is the minimum value for the static coefficient of friction between the tires and the roadway necessary for the car to make the turn without sliding? Give your answer with 3 significant figures.
A luggage handler pulls a 19.0-kg suitcase up a ramp inclined at 34.0 ∘ above the...
A luggage handler pulls a 19.0-kg suitcase up a ramp inclined at 34.0 ∘ above the horizontal by a force F⃗  of magnitude 161 N that acts parallel to the ramp. The coefficient of kinetic friction between the ramp and the incline is 0.330. The suitcase travels 3.70 m along the ramp. 1.Calculate the work done on the suitcase by F⃗ . 2.Calculate the work done on the suitcase by the gravitational force. 3.Calculate the work done on the suitcase by...
A 3.2 kg box, starting from rest, is pushed up a ramp by a 15 N...
A 3.2 kg box, starting from rest, is pushed up a ramp by a 15 N force parallel to the ramp. The ramp is 2.5 m long and tilted at 17°. The speed of the box at the top of the ramp is 0.85 m/s. Consider the system to be the box + ramp + Earth. A. Sketch before and after diagrams as well as a free body diagram for the box. B. How much work does the force do...
A student decides to move a box of books into her dormitory room by pulling on...
A student decides to move a box of books into her dormitory room by pulling on a rope attached to the box. She pulls with a force of 156 N at an angle of 27.0° above the horizontal. The box has a mass of 20.0 kg, and the coefficient of kinetic friction between box and floor is 0.300. (a) Find the acceleration of the box. ____m/s2 (b) The student now starts moving the box up a 10.0° incline, keeping her...
A 48.0-kg box is being pushed a distance of 6.04 m across the floor by a...
A 48.0-kg box is being pushed a distance of 6.04 m across the floor by a force P whose magnitude is 162 N. The force P is parallel to the displacement of the box. The coefficient of kinetic friction is 0.206. Determine the work done on the box by (a) the applied force, (b) the friction force, (c) the normal force, and (d) by the force of gravity. Be sure to include the proper plus or minus sign for the...
18. A 34.5 kg box initially at rest is pushed 5.75 m along a rough, horizontal...
18. A 34.5 kg box initially at rest is pushed 5.75 m along a rough, horizontal floor with a constant applied horizontal force of 150 N. If the coefficient of friction between box and floor is 0.300, find the following. (a) the work done by the applied force ___J (b) the increase in internal energy in the box-floor system due to friction ___J (c) the work done by the normal force ___J (d) the work done by the gravitational force...
4. A 175 N force acting at 15 ◦ above the horizontal pulls a 85 kg...
4. A 175 N force acting at 15 ◦ above the horizontal pulls a 85 kg box through a distance of 8 m along a horizontal surface. If the coefficient of kinetic friction between the floor and the box is 0.2, how muck work done is done by: (a) applied force? (b) normal force? (c) friction? (d) gravity? 6. A 45 kg skier rides a lift straight to the top of a hill. The path of the lift is 2830-m-long...
A 10.0 kg box is slide up an 25-deg incline for a total distance of 2.5...
A 10.0 kg box is slide up an 25-deg incline for a total distance of 2.5 m by applying 3000-N of force directed up the incline. The coefficient of friction between the box and the plane is 0.16. (a) What is the acceleration up the plane? (b) How much work was done by friction? (b) How much work was done by the applied force?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT