Aunit for measuring frequency is the
a. watt.
b. hertz.
c. ampere.
d. ohm.

If the force on an object is in the negative direction, the work it does on the object must be [2 points a) negative. b) positive c) the work could be either positive or negative, depending on the direction the object moves

Excuse ! extra points plus ! super desperate ! the position of an object does not move relative to a reference point. relative to the reference point the object _. a.) is not moving. b.) is moving.

What is the fate of the electrons that interact with a specimen in an electron microscope?