The rope is shaken up and down, producing 3 waves every second. The waves have a wavelength of 1.2 metres.

State the frequency of the waves.
Hz
Calculate the speed of the waves.
Use the correct equation from the Physics Equations Sheet.
Show clearly how you work out your answer

Apossible explanation for a set of facts that can be tested by further investigation is called

Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final