An object will have the same mass and weight on the moon as it has on Earth.

A. false

B. true

A star is a ___ that emits energy produced by nuclear reactions in its interior.

Why should ether be evaporated in a water bath instead of directly on a hot plate?

Which statement best explains acceleration? O A. It is the total distance covered over a period of time. B. It is a change in velocity over a period of time. Oc. It is a change in displacement over a period of time. OD.

Which processes in the water cycle could result in water entering the ocean? A. infiltration or condensation B. evaporation or transpiration C. condensation or evaporation D. precipitation or surface runoff

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field? F = |q|vBcos F = |q|vBsin F = |q|Bcos F = |q|Bsin

A motor spins up the flywheel with a constant torque of 50 n⋅m. how long does it take the flywheel to reach top speed?

What is a ion in science?

How many times louder is the intensity of sound at a rock concert in comparison with that of a whisper, if the two intensity levels are 130 dB and 2 dB, respectively?

When you ride a bicycle at constant speed, nearly all the energy you expend goes into the work you do against the drag force of the air. Model a cyclist as having cross-section area 0.

States that momentum cannot be created or destroyed