A roller coaster has a vertical loop with radius 15.8 m. with what minimum speed should the roller coaster car be moving at the top of the loop so that the passengers do not lose contact with the seats?

What forces are equal and opposite sides

Which theory argues that language shapes the way that we think? A.) Functionalist B.) Durkheimian C.) Whorfian D.) Freudian E.) NextReset

How does a magnet affect another magnet, something made of iron or a similar metal, and moving charges? It exerts an electric force. It exerts a magnetic force. It exerts a polar force. It exerts a force proportional to the magnet's charge.

On a farm, you are pushing on a stubborn pig with a constant horizontal force with magnitude 30.0 n and direction 37.0° counterclockwise from the + x-axis. how much work does this force do during a displacement of the pig that is (a) s s = 15.

Which of the following is the flow of electrons through a wire or a conductor

Why do comets have tails?

The main characteristic of all vertebrates is the presence of a. cartilage b. a large brain c. a backbone d. an exoskeleton I got it. The answer was B

A projectile is thrown upward so that its distance above the ground after t seconds is h (t) equals negative 16 t squared plus 704 t. a) Find the maximum height the object reaches. b) Find the time it takes the object to reach the ground.

You are standing 100 meters from an object emitting a sound of constant intensity (loudness). You walk toward the source of sound until you are 20 meters from it. From your perspective, what has happened to the intensity of the sound?

What is the peak emf generated by a 0.250 m radius, 500-turn coil is rotated one-fourth of a revolution in 4.17 ms, originally having its plane perpendicular to a uniform magnetic field. (This is 60 rev/s.)