A racecar travels at an average speed of 80m/s in a race the total distance of the race is 640000m how long does it take the racecar to finish the race

What is a sentence for crater

What is the concept called when the poles of an electromagnet were to flip?

A train has a constant velocity of 2 m/s east. What is the magnitude of the horizontal acceleration of the train?

Marla says that only one person was really responsible for the theory of planetary motion. Do you agree with her? Why or why not?

What is the unit for electrical power? volt (V) joule (J) kilowatt-hour (kWh) watt (W)

A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. A passenger feels the seat of the car pushing upward on her with a force equal to five times her weight as she goes through the dip. If r = 17.

A mass spectrometer accelerates doubly ionized atoms of charge 2e over a potential difference V before they enter a uniform magnetic field B which is perpendicular to the direction of motion of the ions.

A rotating water pump works by taking water in at one side of a rotating wheel, and expelling it from the other side. If a pump with a radius of 0.120 m starts from rest and accelerates at 30.

Which describes a property shared by ultraviolet light and X-rays? A They are both transverse waves. B They share the same wavelength. C They contain less energy than visible light. D They both require a medium to travel through.

What is the potential energy called that is associated with objects that can be stretched