This is the angle that light strikes a surface relative to the normal, or an imaginary line perpendicular to the surface. The law of reflection states that this angle is equal to the angle of reflection.

The passengers in a roller coaster car feel 50% heavier than their true weight as the car goes through a dip with a 10 m radius of curvature. What is the car's speed at the bottom of the dip?

As a tile falls from the roof of a building to the ground its momentum is conserved.

Dwight pulls his sister in her wagon with a force of 65 N at an angle of 50.0º to the ground. What are the magnitudes of the horizontal and vertical components of the force exerted by Dwight?

A system made of 25 satellites

If this speed is based on what would be safe in wet weather, estimate the radius of curvature for a curve marked 50 km/h. The coefficient of static friction of rubber on wet concrete is μs=0.

During combustion, a fuel's electromagnetic energy is converted into thermal energy.

Explain why glucose is important to a cell

4. How far does a car travel in 90 seconds if it is traveling at a speed of 55 m/s?

Total energy input is 1400 and my efficiency is 80% so what is the useful energy output in jules?

What is the force of gravity acting on a 2000-kg spacecraft when it orbits two Earth radii from the Earth's center (that is a distance r=6380 km above the Earth's Surface. The mass of the Earth is 5.98 x 1024 kg.