Find the wavelength of a sound moving in air at 43.2 m/s and that has a frequency of 2.11 Hz.

a. 20.47
b. 91.152
c. 0.0488
d. 177.35

PLEASE HELP!!

The law of conservation of energy states that energy cannot be created or , energy can be from one substance to another. the first blank is ' destroyed ' and for the second blank is ' transferred '

One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?

In one or two sentences, describe how you did in the balancing game. in a few more sentences, explain one strategy you learned for balancing more complex equations.