Watt, which is a unit of power, is equal a. a joule times a meter b. a joule times a second c. a joule divided by a second d. a joule divided by a meter

The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.

Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.

Asign is hung between two cables as illustrated below. if the sign weighs 350 n, what is the tension (in n) in each cable?