Why is the warm air rising while the cold air is sinking

How do longitudinal wave particles move? A. Longitudinal waves move in circular paths. B. Longitudinal waves move parallel to the direction the wave travels. C. Longitudinal waves move side to side.

An unknown object is placed on a balance, which then reads 6.118 g. its volume is measured to be 3.04 cm3. find the density of this object by dividing mass by volume.

The speedometer in a car does not measure the car's velocity because the velocity is a

Work and Energy: If a simple machine provides an increased output force, what happens to the output distance?

What is the momentum of a 3 kg object moving east at 4 m/s?

Which of these is the best reason for proper nutrition? A. To ensure that you will be skinny B. To protect yourself against certain diseases C. To improve your intelligence D. To ensure that you will get good grades

And object has a mass of 15g it has a volume of 7.5ml. find the density of the object.

I need this answered quickly. is the branch of science for naming and classifying organisms based on their natural relationships? A-physics B-taxonomy C-genetics D-biology

For a fixed amount of gas, if the absolute temperature of the gas is doubled, what happens to the pressure of the gas?

A 500-kilogram sports car accelerates uni- formly from rest, reaching a speed of 30 me- ters per second in 6 seconds. What distance has the car traveled during the 6 seconds?