A car suddenly slams on its brakes and skids west for 8 m before stopping. The force of friction acting on the car was directed

up

down

east

west

None of the listed answers are correct

An atom that changes so that it has an electrical charge is a (n)

What does every magnet possess?

Which of these is a source of voltage? a. a battery b. a generator c. an electrical outlet d. all of these are voltage sources.

You throw a bouncy rubber ball and a wet lump of clay, both of mass m, at a wall. both strike the wall at speed v, but while the ball bounces off with no loss of speed, the clay sticks.

If a diver's lungs have a volume of 6.00 L at the surface of the water, what is their volume at a depth of 125 m?

Potential energy and kinetic energy are forms of what kind of energy? 1. chemical 2. nuclear 3. electromagnetic 4. heat 5. mechanical

Which element has the greatest number of valence electrons available for bonding?

A sailboat starts from rest and accelerates at a rate of 0.13 m/s2 over a distance of 458 m. (a) Find the magnitude of the boat's final velocity. m/s (b) Find the time it takes the boat to travel this distance. s

The emission of a Beta particle has the effect of? Decreasing mass by one unit Increasing mass by one unit No change in mass Adding a proton to the nucleus Adding a proton of zero mass to the nucleus

How is the moment magnitude scale used to describe earthquakes?