A 6.00 kg box slides up a 8.00 m long friction incline at an angle of 30.0 degrees by a force 50.0 N parallel to the incline. The coefficient of kinetic friction is 0.100. The work done against friction is
A. 22.0 J.
B. 26.5 J.
C. 30.3 J.
D. 35.2 J.
E. 40.7 J.
E. 40.7 J.
You might also like to view...
A non-conducting sphere of radius R = 7.0 cm carries a charge Q = 4.0 mC distributed uniformly throughout its volume
At what distance, measured from the center of the sphere, does the electric field reach a value equal to half its maximum value? A) 3.5 cm only B) 4.9 cm only C) 3.5 cm and 9.9 cm D) 3.5 cm and 4.9 cm E) 9.9 cm only
The motion of a piston in an auto engine is simple harmonic. If the piston travels back and forth over a distance of 10 cm, and the piston has a mass of 1.5 kg, what is the maximum speed of the piston and the maximum force acting on the piston when the engine is running at 4 200 rpm?
What will be an ideal response?
The rotation curve of the outer portions of the Galaxy revealed what about its mass?
What will be an ideal response?
A steel plate has a hole drilled through it. The plate is put into a furnace and heated. What happens to the size of the inside diameter of a hole as its temperature increases?
a. increases b. decreases c. remains constant d. becomes elliptical