A skier, mass 50kg, is at the top of a 6.4m ski slope. 1.
I
Determine the maximum velocity that she can reach when she skis to the bottom
of the slope.
2.
Do you think that she will reach this velocity? Why/Why not?

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

Which situation will produce the greatest change of momentum

The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?