A piano string 0.78 m long is tightened to a tension of 1,459 N. The string's mass density is 48 g/m. What is the frequency of the string's fifth harmonic

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 °c, what is the final temperature? note that 1 lb = 453.6 g.

If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?