A 17-kg cannonball is fired with a velocity of 18 m/s from 27 m above the ground. It hits a target that is 14 m above the ground. With what velocity does it hit, in m/s?

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?

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of

What is a view of science and psychology that says the value of knowledge depends on its usefulness? a. pragmatism b. psychotherapy c. physiology