Sound waves have 4 basic properties including amplitude, wavelength and

a) distance

b) media

c) speed

d) pitch

Is water really wet?

A 0.54-kg ball is thrown vertically upward with an initial speed of 15.5 m/s. What is the potential energy of the ball when it has travelled one-quarter of the distance to its maximum height

17. Which sound has the highest pitch? 156 Hz (hertz); 258 Hz (hertz); 14 dB (decibels) : 563 dB

To pull a 53 kg crate across a horizontal frictionless floor, a worker applies a force of 180 N, directed 35° above the horizontal. As the crate moves 2.

Which statement is true for both types of transistors? Current flows from the collector to the emitter. Current flows from the base to the emitter. The base is between the collector and the emitter. The base is a p-type semiconductor.

What is the main purpose of a simple machine?

given that a car's distance from a stop sign t seconds since it started moving is represented by d=t2-2t determine the car's average speed over each interval of elapsed time

A ball hits a wall. What is true about the magnitude of the force experienced by the ball compared with the force experienced by the wall? OA. The ball experiences more force than the wall. OB. The ball experiences less force than the wall.

A swimmer jumps from a waterfall thats is 8.5 m high from the lake below. How fast must he run horizontally to dive 2.5m away from the base of the waterfall?

What happens (as far as energy goes) when a molecule of gas strikes the wall of a container?