A 5.0-kg object is pulled along a horizontal surface at a constant speed by a 15-N force acting 20° above the horizontal. How much work is done by this force as the object moves 6.0 m?
a. 78 J
b. 82 J
c. 85 J
d. 74 J
e. 43 J
C
You might also like to view...
In optics, what is meant by an "interface?"
a. optically connecting one computer to another b. using the image created by one lens as the object for another lens c. when the crest of one wave lines up with the trough of another wave d. none of the above
One of the rare galaxies that is isolated in space is likely to be a(n) ____
a. starburst galaxy b. ultra luminous infrared galaxy c. dwarf galaxy d. antenna galaxy e. spiral galaxy
The Mohs scale is based on how many minerals?
a. 8 b. 10 c. 12 d. 15
A toroid is made of 2 000 turns of wire of radius 2.00 cm formed into a donut shape of inner radius 10.0 cm and outer radius 14.0 cm. When a 30.0-A current is present in the toroid, the magnetic field at a distance of 11.0 cm from the center of the toroid is
a. 0.0857 T. b. 0.109 T. c. 0.120 T. d. 0.600 T. e. 0.685 T.