Suppose the ends of a 27-m-long steel beam are rigidly clamped at 0°c to prevent expansion. the rail has a cross-sectional area of 35 cm^2. what force does the beam exert when it is heated to 39°c? (αsteel = 1.1 × 10^−5/c°, ysteel = 2.0 × 10^11 n/m^2).

Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.