A wave has a frequency of 20 Hz and a wave speed of 5.0 m/s. what is the wave length

0.01 m

0.25 m

100 m

4.0 m

What two temperature scales are commonly used in the United States

Calculate the heat flux (in W/m2) through a sheet of a metal 11-mm thick if the temperatures at the two faces are 350 and 110 ˚C. Assume steady-state heat flow and that the thermal conductivity of this metal is 53.0 W/m-K.

How many stars are in Pegasus and Casiopeia together

Distance travelled can be found from the A area under a velocity-time graph B area under an acceleration-time graph C gradient of a force-time graph D gradient of a velocity-time graph

What are Some of the Most Common Energy Sources?

What is one way to increase the amplitude of a wave in a medium

A net force of 3000 N is accelerating a 1200 kg elevator upward. If the elevator starts from rest, how long will it take to travel up 15 m?

The frequency of a given region of the electromagnetic spectrum ranges from 3 _ 1016 _ 3 _ 1019 hertz. Which type of wave is found in this region?

A student is testing the kinematic equations for uniformly accelerated motion by measuring the time it takes for light-weight plastic balls to fall to the floor from a height of 3 m in the lab. The student predicts the time to fall using g as 9.

Newton's Second law of Motion (F = ma) is one of the basis of forces and motion. How is it very similar to his First law and why is finding the acceleration of the system (the main reason we use it) so important to solving physics and real world