What is speed? a. distance (miles or meters) b. time (hours or seconds) c. time per distance (hours per mile or seconds per meter) d. distance per time (miles per hour or meters per second)

A20 cm long spring is attached to a wall. the spring stretches to a length of 22 cm when you pull on it with a force of 100 n. what is the spring constant

Thermal radiation gets its name because

Imagine that the rightward current flows in the rod for a short time. as a result, what will the net charge on the right and left ends of the rod become? left end negative and right end positive left end negative and right end negative left end negative and right end nearly neutral left end nearly neutral and right end positive both ends nearly neutral