What three things happen when air is warmed?

it expands

it contracts

it becomes lighter

it becomes heavier

it rises

it sinks

A rocket accelerates by burning its onboard fuel, so its mass decreases with time. Suppose the initial mass of the rocket at liftoff (including its fuel) is m, the fuel is consumed at rate r, and the exhaust gases are ejected with constant velocity

All of the following are common symptoms of all dissociative disorders except A. wandering away from home B. mental health problems C. feelings of detachment D. a blurred sense of identity

Describe what are sex cells?

Johnny has one Apple and Timmy has two, what's the mass of the sun using Newton's 69th law?

Motion and velocity are Select one: a. Independent distinct quantities b. Absolute and independent of observer c. Dependent on the chosen frame of reference d. All of the above

The push of energy given to electrons in a circuit is known as what?

How many calories would you burn if you walked for 120 minutes at a pace of 3-mph?

What force oppose other forces and slow objects down?

What are used by organisms for long-term energy storage

What is the thermal energy of an object? the total kinetic energy of its particles the total potential energy of its particles its total temperature the total kinetic and potential energies of its particles