Sound waves must have intensity if a person is to hear them.

a. True

b. False

To determine the amplitude of a wave, you would need to know the

What is the mass of an 291pound persond

A roller coaster needs to climb a tall hill. How tall of a hill can it climb with an initial speed of 15 m. s.

A horizontal force of 24 N is being applied to a box on a level surface. The box is accelerating at the rate of 2.0 against a frictional force of 14 N. What is the mass of the box?

It is recommended that adults should get at least 150 minutes of moderate-intensity physical activity each week. they should also do strength-training exercises.

What is the speed of a 50 g rock if its de Broglie wavelength is 3.32 x 10?

The difference between newtons first law of motion and newtons third law of motion

A sound wave traveling at STP has a period of. 0023 seconds. The wavelength of this sound is closest to 1) 1.4E5 2) 6.9E-6 3) 0.76m 4) 76m

Static charge develops on a substance as it acquires or loses protons due to friction. a. True b. False

A milk truck carries milk with density 64.6 lb/ft3 in a horizontal cylindrical tank with diameter 12 ft. (a) Find the force exerted by the milk on one end of the tank when the tank is full. (Round your answer to the nearest integer.) lb