Question 6 of 59 A wave has a wavelength of 5 m and a speed of 65 m/s. What is the frequency of this wave in Hz?

What are the applications of electromagnetic waves

An insulated thermos contains 148 g of water at 72.7 ˚c. you put in a 11.7 g ice cube at 0.00 ˚c to form a system of ice + original water. the specific heat of liquid water is 4190 j/kg•k; and the heat of fusion of water is 333 kj/kg. what is the net entropy change of the system from then until the system reaches the final (equilibrium) temperature?

Which of the following is the largest disadvantage of about half of the electricity in the united states comes from burning