True or false was a prism refracts light, it separates out the various colors based on their wavelength

A student uses a spring to launch a marble vertically in the air. the mass of the marble is 0.002kg and when the spring is stretched 0.05m it exerts a force of 20N. what is the maximum height the marble can reach?

What is the acceleration, in meters per second squared, of a 2,000,000-kilogram NASA rocket with an applied force of 20,000,000 Newtons?

A parallel-plate capacitor having circular plates of radius R and separation d is held at a fixed potential difference by a battery. If the plates are moved closer together while they are held at the same potential difference a.

What would the average speed in kph of a horse and rider be if they cover a total distance of 14 km in 249 minutes

A carpenter sands a wooden board until it is smooth. Is this a physical or a chemical change?

Wood is an example of a fossil fuel. User: The type of energy stored by fossil fuels such as coal is a. kinetic energy. b. mechanical energy. c. chemical potential energy. d. electromagnetic energy. User: An example of a fossil fuel is a. wood. b.

What type of changes does erosion cause? A physical B chemical C electrical D magnetic

Which of the following will exert a force on a magnet? another magnet a nearby piece of glass a nearby piece of plastic a nearby electric current

The rate at which light energy is radiated from a source is measured in which of the following units? A. Lumen B. Candela C. Lux D. Angstrom

Which type of energy makes up most of the internal energy of a solid substance? A. Kinetic energy from translation B. Kinetic energy from rotation C. Kinetic energy from vibration D. Potential energy from intermolecular forces