Because light travels in a straight line and casts a shadow, Isaac Newton hypothesized that light is

How many minimum number of non zero vectors in different planes can be adder to give zero resultant

A speeder passes a parked police car at 26.8 m/s. instantaneously, the police car starts from rest with a uniform acceleration of 2.40 m/s2. how much time pases before the speeder is overtaken by the police car? answer in units of s.

All the planets orbit the Sun

Why doesn't electric current flow through rubber?

What do simple machines increase? Force Density Work Mechanical advantage

Gravity is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planers in orbit around the Sun.

What wave-like property of light causes it to bend when encountering an opening? A. Reflection B. all the above c. Refraction d. none of the above e. diffraction

Which of the following statements describe sliding friction? Select all that apply. 1.) a force that causes an object to increase speed 2.) a force in which one of the objects involved must be a liquid or a gas 3.

What do a broken rode and a volcano eruption have in common

What is the input of energy for a device that provides 50 units of useful energy and has an efficiency of 0.55?