A compressive force F is applied to an object made of a material with Young modulus E. The original length of the object in the direction of the force is r, and its cross-sectional
area is A.
Which expression gives the length of the object after the force is applied?

Part a constants huck finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion what is huck's velocity (speed and direction) relative to the river bank? express your answer to three significant figures and include the appropriate units. relative to the shore)

An object has a weight of 500 on earth what is the mass of this object

The energy released by a nuclear fusion reaction is produced when