You push a shopping cart filled with groceries (total mass = 20 kg) by applying a force to the cart 30° from the horizontal. If the force you apply has a magnitude of 86 N, what is the cart's acceleration? Assume negligible friction.

Which of the following correctly describes isotopes of the same element? A. Atoms that have the same number of neutrons but a different number of electrons B. Atoms that have the same number of protons but a different number of neutrons. C.

A standard electrical outlet has three wires connected to it: the hot, the neutral, and the ground. There is no potential difference between which pair of wires?

How do you think increasing the resistance in a circuit will affect the current in the wire

If a motorcycle moves with a constant velocity, can you conclude that there is no net force acting on it?

Why do astronauts float aboard the international space station?

If a bar magnet is broken into two pieces, each of the resulting pieces

Two passengers leave the airport at Kansas City, Missouri. One flies to Los Angeles, California, in 3.5 hr and the other flies in the opposite direction to New York City in 3.5 hr.

What is the term for the basic unit of electric current? The basic unit of electric current is the.

When a sailboat overtakes a powerboat, which vessel is the stand-on vessel?

Both matter and energy can eneter and exit which of the following systems? A. open only B. both open and closed C. isolated only D. both closed and isolated