A remote-controlled plane has a mass of 0.386 kg and flies in a circle with a radius of 75 m. The centripetal force on the plane is 4.0 N.

What is the tangential speed of the plane?

Assume that a team of engineers runs a friction test on the car and track. The team finds that the car loses 210 joules of energy over each meter of track.

To keep dry ice from forming a gas, what needs to happen

According to Faraday's law, a coil in a strong magnetic field must have a greater induced emf in it than a coil in a weak magnetic field.

When an airplane experiences drag, are the forces added or subtracted?

What is the formular use in solving range of a projectile.

Ilya and Anya each can run at a speed of 8.00 mph and walk at a speed of 3.20 mph. They set off together on a route of length 5.00 miles.

Jill is getting ready to push little Frank in his swing. She pulls Frank back as high as she can and then releases the swing. What is the initial transfer of energy that accelerates the swing when she lets go?

Which phenomenon generates electric current? A black body radiation B ultraviolet catastrophe C emission spectra D photoelectric effect

What is the product of 3.15 m and 2.006 m with the correct number of significant figures?

Consider what happens at the moment when the block leaves the surface of the globe. Which of the following statements are correct? - The net acceleration of the block is directed straight down.