HotelInfantesAgres - Together we solve school questions. Logo

Questions in physics

[Homework Help] Describe how Galileo might design an experiment to determine if the mass of a pendulum bob affects the period of its swing.

[Homework Help] Explain why the current is reduced as electrons move through a conductor.

[Homework Help] True or false? Three common voltage sources are batteries, solar cells, and generators.

[Homework Help] Why does a pendulum eventually stop swinging?

[Homework Help] An oscillator makes four vibrations in one second. What are its period and frequency?

[Homework Help] A quarter is 2.4 millimeters thick. How tall are the following stacks of quarters? a. A stack worth 50 cents b. A stack worth $1 c. A stack worth $5 d. A stack worth $1,000 (Give your answer in millimeters and meters.)

[Homework Help] A car travels from point A to point B in four hours, and then from point B back to point A in six hours. The road between point A and point B is perfectly straight, and the distance between the two points is 240 km. What is the car’s average velocity?

[Homework Help] A ski jumper competing for an Olympic gold medal wants to jump a horizontal distance of 135 meters. The takeoff point of the ski jump is at a height of 25 meters. With what horizontal speed must he leave the jump? a. What do you know? b. What do you need to solve for? c. What equation(s) will you use? d. What is the solution to this problem?

[Homework Help] The Earth has a radius of 6,400 kilometers. A satellite orbits the Earth at a distance of 12,800 kilometers from the center of the Earth. If the weight of the satellite on Earth is 100 kilonewtons, what is the gravitational force on the satellite in orbit?

[Homework Help] An ant sits on the back of a mouse. The mouse carries the ant across the floor for a distance of 10 meters. Was there work done by the mouse? Explain.