How can gamma rays be used in medicine? to kill cancer cells in radiation therapy to keep patients cool to keep patients warm to stimulate skin cells to produce vitamin d

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

Aspring has a natural length of 8 m. if a 12-n force is required to keep it stretched to a length of 10 m, how much work w is required to stretch it from 8 m to 16 m? (round your answer to two decimal places.)

Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block