Normie Neutron swings a rubber ball attached to a string over his head in a horizontal, circular path. The piece of string is 1.5 m long and the ball makes
120 complete turns each minute.

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?

What is friction? how does it affect the motion of an object?