The energy equivalent of the rest mass of an electron is

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.

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of