What is a vector?

A. A scalar quantity.

B. A quantity that has magnitude and direction.

C. A magnitude that can be measured.

D. A direction.

If a baseball has zero velocity at some instant, is the acceleration of the baseball necessarily zero at that instant? Explain, and give examples.

A 2.0-μF capacitor and a 4.0-μF capacitor are connected in series across a 1.0-kV potential. The charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together.

A metal pot feels hot to the touch, but the plastic handle does not. Which type of material is the plastic handle? A. A thermal insulator, because it transfers heat easily B. A thermal conductor, because it does not transfer heat easily C.

A student conducts an experiment in which a cart is pulled by a variable applied force during a 2sec time interval. In trial 1, the student exerts the force on a cart of mass M. In trial 2, the student exerts the force on a cart of mass 3M.

What investigation doesn't involve hypothesis

List some limiting factors that might limit the size of a population within its environment

What do you think is the difference between being imaginative in doing science and Doing pseudoscience?

How are energy and temperature related?

Explain why action-reaction forces do not cancel each other out, resulting in zero net force

Which is a correct name for the compound Cuci?