A ball is kicked horizontally at 4.6 m/s off a cliff 12.4 m high. How far from the cliff will it land? A) 2.5 m
B) 4.1 m
C) 1.6 m
D) 7.4 m

Tungsten-filament lightbulb emits light based on the temperature of the filament. which phenomenon does this demonstrate?

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

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.