On a guitar if you hit the harder you strike the string the:

a. louder the sound

b. lower the sound

c. higher pitched the sound

At an ocean depth of 10.0 m, a diver's lung capacity is 2.40 l. the air temperature is 32.0°c and the pressure is 101.30 kpa. what is the volume of the diver's lungs at the same depth, at a temperature of 21.0°c and a pressure of 141.20 kpa?

Sarah roller skates 18.5km in 3 1/2 hours. what is her average speed in kilo per hour?

A dam is used to block the passage of a river and to generate electricity. Approximately of water fall each second through a height of 19.6 m.

What is static and sliding friction

Which of the following is an example of mechanical weathering? Select all that apply. A. abrasion B. oxidation C. ice wedging D. animals burrowing in rock

How many btus of heat energy are needed to raise the temperature of 99.6 lbs of water from 50 °f to 130 °f?

What is a different form of a characteristic, such as brown hair, is called

A book falls of the table and hits the floor. Is work done? Why?

A person of 83 kg is in an elevator. If the elevator is moving at a speed of 5 m/s, what's the person's kinetic energy? Keep 4 significant figures a 1,004 J b 1,038 c 1,280 J d 980 J e 1,435 J

What two equations can be used to determine the speed of a wave