Compare the properties of the elements in groups 1, 2, 17, and 18.

If the speed of a particle triples ,by what factor does its kinetic energy increase?

Awave travels at a speed of 5.2 m/s. if the distance between crests is 0.40 m, what is the frequency of the wave? use f=v/wavelength a. 13 hz b. 2.1 hz c. 0.077 hz d. 5.6 hz

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.