The internal diameter of a brass ring is 15.94cm. The diameter of a wheel is 16cm both measured at the same temperature . Find the smallest rise in temperature through which the brass must be heated in other that it may just slip unto the wheel (alpha of brass = 1.8×10"_5)​

Aman does 500 j of work pushing a car a distance of 2 m. how much force does he apply? assume there is no friction. a. 250 n b. 1000 n c. 125 n d. 500 n

Aphysical change is a change in the size, shape,, or stafe of matter true or false

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.