What is the best explanation for why, on average, children playing inside a

house are louder than those playing outside?

A man is running through a train tunnel. When he is $/frac{2}{5}$ of the way through, he hears a train that is approaching the tunnel from behind him at the speed of 60 mph.

The East African rift is an example of what

Find the force required to keep a 3000 lb car parked on a hill that makes an angle of 15 degrees with the horizontal.

715 J of heat are transferred from a 1.30 kg aluminum block to a 0.800 kg iron block. Find the temperature change for the iron.

You wish to lift a 400 lb car engine a vertical distance of 3 ft using a strong rope. Unfortunately, your hand crank winch can only generate 100 lb of tension in your rope.

Which of the following tools can be used to determine humidity? Select all that apply. Barometer Hygrometers Anemometer Hair Thermometer [can use more than one answer]

For a cars speedometer what is the calculated speed over an entire trip

How does gravity influence our annual calendar?

A 0.500 kg block is sitting on a horizontal, frictionless surface. The block is connected to a horizontal spring with a force constant of 124 N/m. The other end of the horizontal spring rests against a wall. When a 100.

The velocity of waves in a ripple tank of a particular depth of water is 20 centimeters per second, and standing waves are produced with nodes spaced 2.0 centimeters apart. what is the frequency of the wave generator?