A wave has a wavelength of 3.0m and a frequency of 400mHz. Calculate its speed.

Car drag racing takes place over a distance of a 1 4 mile (402 m) from a standing start. If a car (mass 1500 kg) would be propelled forward with a pulling force equal to that of gravity, what would be the change in kinetic energy and the terminal

What would happen to the wavelength of a wave as the velocity is increased and the frequency remains the same?

An electron is held at a distance from a stationary, positively charged object. If the electron is released, what energy change will take place? A. Electric potential energy into kinetic energy ) B. Kinetic energy into electric potential energy C.

What is the capital of Guinea

In a scale model solar system that used a grapefruit to represent the Sun, how far away should you put another grapefruit to represent Alpha Centauri, the next nearest star?

A refrigerator is a system. The energy input into the refrigerator system (in the form of electricity) is the same as the amount of energy output from the system. Which of the following best describes the energy output of the system?

A 1,120 kg car is travelling with a speed of 40 m/s. Find its energy.

3. Calculate the amount of current through a 45-watt light bulb that is connected to a 120-volt circuit in your home.

Are oranges called oranges because oranges are orange, or is orange called orange because oranges are orange?

An object at rest has no net force acting on it. a. True b. False