Multiple Choice

An object in motion will cause which of the following?

Select all that apply.

friction

decrease in heat flow

increase in heat flow

creation of energy

Which two things determine an objects monentrum A - mass and velocity B - direction and speed C - speed and velocity D - speed and distance traveled

Which of the following statements is true? Energy input is always greater than energy output. Magnetic fields are weakest at the poles of a magnet. Magnetic fields can push and pull protons. A change in acceleration is called velocity.

What do microwaves and xrays have in common

In which of the following scenarios does object 1 do + 10 joules of work on object 2? a. Object 1 exerts a 10 newton force on object 2 in the direction of its 1 meter displacement. b.

What is the most important part of gathering knowledge in science

Approximately how much electrical energy does a 5-W light bulb convert to radiant or thermal energy in one hour

If a clock expends 2 W of power from a 1.5 V battery what amount of current is supplying the clock?

The rectangular plates in a parallel-plate capacitor are 0.063 m * 5.4 m. A distance of 3.5 * 10-5 m separates the plates. The plates are separated by a dielectric made of Teflon, which has a dielectric constant of 2.1.

What connection does salt have with acids and bases?

All of the following are types of telescope except