A meteor exploded in the atmosphere producing infrasound waves. If those soundwaves had a wavelength of 6.4 km and they propagated 8840 km in 8.53 hours, what was the frequency of those waves?

How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9

What are the dimensions of the cross section that passes through the points a, f, g, and d?

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?