Which direction is the force of friction?

A. The same direction of the movement

B. The opposite direction of the movement

C. 90 degrees from the direction of movement

Why does the liquid thermometer work?

If we were to construct an accurate scale model of the solar system on a football field with the Sun at one end and Neptune at the other, the planet closest to the center of the field would be (a) Earth; (b) Jupiter; (c) Saturn; (d) Uranus.

Do change that cannot be easily reversed such as burning observe the law of conservation of mass

Which of the following energy systems is used most when running a 10-second sprint?

our canisters contain helium gas. If all the canisters had the same amount of particles, which canister would have the fastest moving particles?

What is the effect of the magnetic field on the protons? View Available Hint (s) What is the effect of the magnetic field on the protons? The protons are accelerated to the left, toward the S magnetic pole.

following statement supports which theory? "Astronomers have observed protoplanetary disks around distant newborn stars." Big Bang theory Nebular theory Cell theory String theory

For radio broadcast, sound signals are converted to a. ultraviolet waves. b. infrared waves. c. visible light waves. d. electromagnetic waves.

a roller coaster is hard to stop because it has a lot of inertia. Use Newton's first law of motion to explain why you feel tossed around whenever a roller coaster goes over a hill and through a loop.

Is balancing an egg on the equinox science or pseudoscience