As a 2.0 kg box slides down a very rough incline, it lose 16.0 J of kinetic energy and 10.0 J of gravitational potential energy before it comes to rest on the incline. How much work did friction do on the box?
a. 6.0 J
b. -6.0 J
c. 26.0 J
d. -26.0 J
As a 2.0 kg box slides down a very rough incline, it lose 16.0 J of...
A 1.0 kg box starts from rest and slides down a very rough inclined plane as shown below. Use energy principles to determine the coefficient of friction on the incline surface if its speed at the bottom is 2.78 m/s. The box sits on a incline that is 0.5m above the ground on a 30 degree incline.
A) A massless rope is tied to a 1.82 kg box sitting on a rough, horizontal surface. The rope is pulled with constant force F acting upward at an angle 15.8o to the horizontal. The coefficient of kinetic friction between the box and the surface is 0.217, and the box slides at constant speed along the table for a distance of 84.4 m. Find the total work done by F, in J. B)Josh, mass 143 kg, is racing against his...
A solid block of mass 60.0 kg starts from rest and slides down a rough surface with a length of 10.0 m where the coefficient of friction is uk=0.20. The surface is inclined at 40.0°. After sliding 10 meters down the incline it hits a spring with a spring constant of ks = 550.0 N/m. Draw a freebody Diagram indicating all forces. Write out and solve the force and energy equations. How high is the block above the spring at...
10. In the figure below, a box slides down an incline. As the box moves from point A to point B, which are 5.0 m apart, an applied force acts on the box. The force has a magnitude of 2.0 N and is directed down the incline. The magnitude of the frictional force acting on the box is 10 N. If the kinetic energy of the box increased by 35 J between A and B, how much work is done...
3. Starting from rest, a 5.20-kg block slides 1.60 m down a rough 30.0° incline. The coefficient of kinetic friction between the block and the incline is μk = 0.436. (a) Determine the work done by the force of gravity. J (b) Determine the work done by the friction force between block and incline. J (c) Determine the work done by the normal force. J (d) Qualitatively, how would the answers change if a shorter ramp at a steeper angle...
A 2.00 kg box slides down a rough incline plane from a height h of 1.03 m. The box had a speed of 2.33 m/s at the top and a speed of 1.90 m/s at the bottom. Calculate the mechanical energy lost due to friction (as heat, etc.).
A block (6 kg) starts from rest and slides down a frictionless ramp #1 of height 6 m. The block then slides a horizontal distance of 1 m on a rough surface with kinetic coefficient of friction μk = 0.5. Next, it slides back up another frictionless ramp #2. Find the following numerical energy values: 1.Initial gravitational potential energy on Ramp #1: U1G = J 2.Kinetic energy at bottom of Ramp #1 before traveling across the rough surface: K =...
A 5 Kg box initially at rest slides down a ramp with friction acting on the box. At the top of the ramp the box has a potential energy of 120 J. At the bottom, its kinetic energy is 30 J and the work done by the friction has a magnitude of 20 J. What is the mechanical energy of the box at the bottom of the ramp? A. 120J B. 150J C. 110J D . 140J E. None of...
Please explain steps for part d. I cannot figure it out A box, with a weight of mg = 25 N, is placed at the top of a ramp and released from rest. The ramp measures 4.20 meters horizontally and 3.30 meters vertically. The box accelerates down the incline, attaining a kinetic energy at the bottom of the ramp of 48.0 J. There is a force of kinetic friction acting on the box as it slides down the incline. a)...
Q3- A 3kg box slides down 1m long incline as in the figure. The box starts from rest at the top, experiences a constant frictional force of 5N. Use energy method to determine the speed at the bottom of the incline? d1.00 m 0.500 m Q4- The coefficient of kinetic friction between 3kg block and the surface in the figure is 0.4. The system starts from rest. Use energy principle to find the speed of the 5kg ball when it...