A. If you set a cannonball to 1500 m/s, what happens? Explain why you think it moves this way.

A model airplane with mass 0.741 kg is tethered to the ground by a wire so that it flies in a horizontal circle 30.5 m in radius. The airplane engine provides a net thrust of 0.804 N perpendicular to the tethering wire.

Is the electric field contributed by the polarization charges on the surface of the metal sphere?

If the motor has an efficiency of ϵ = 0.6, determine the power that must be supplied to the motor when the elevator is hoisted upward at a constant speed of ve = 4 m/s.

A biologist keeps a specimen of his favorite beetle embedded in a cube of polystyrene plastic. The hapless bug appears to be 2.0 cm within the plastic. Part A) What is the beetle's actual distance beneath the surface?

How does diffraction enable somebody to hear your voice from anywhere in the room?

The particles in a surface water wave move back-and-forth only. Question 9 options: True False

Does the acceleration of a falling body change or is it constant

What can cause sediment to form on land? Only mechanical weathering rocks Only biological weathering rocks Any kind of weathering or rocks Melting of rock in the core

The speed of a car is decreasing uniformly from 35 m/s to 15 m/s in 4 s the magnitude of the car's acceleration is

An object that has kinetic energy must what?