Problem 4.
a cannon is at the top of a 100 m high cliff. it is aimed such that the initial velocity of the cannonball is 400 m/s at an angle of 37° above the horizontal, see the figure below.

Since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of "if…then…because…” when writing your hypothesis.

Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance

What happens when you slowly pulled the carboard?