Two bodies, A and B, have equal kinetic energies. The mass of A is nine times that of B. The ratio of the momentum of A to that of B is:.A. 1:9B. 1:3C. 1:1D.3:1E. 9:1

D. 3 : 1

Explanation:

Let suppose that A and B are particles. From statement we know that (same kinetic energy) and . Then,

And the ratio of the momentum of A to the momentum of B is:

Hence, the correct answer is D.

which statement about this sum is true? −245+2.7

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods