A 40-kilogram crate is at rest on a level surface. If the coefficient of static friction between the crate and the surface is 0.69, what horizontal force is required to get the crate moving?

The core muscles stabilize and protect the spine.

What features do all the resonance forms of a molecule or ion have in common?

Tonya is modeling the discovery of electromagnetic induction. Which procedure should she use? moving a magnet into a coil of wire in a closed circuit moving a magnet into a coil of wire in an open circuit bringing a compass near a wire that has no

When all parts of a circuit are composed of conducting materials, the circuit is said to be A. shorted. B. closed. C. parallel. D. open.

A guitar string with mass density μ = 2.1 * 10-4 kg/m is L = 0.95 m long on the guitar. The string is tuned by adjusting the tension to T = 82.6 N. With what speed do waves on the string travel?

A diver on a diving board is undergoing simple harmonic motion. Her mass is 55.0 kg and the period of her motion is 0.800 s. The next diver is a male whose period of simple harmonic oscillation is 1.05 s.

Who was the last person to step on the moon?

The term wireless describe telecommunications in which electromagnetic waves carry a signal over a network. What describes the operation of wireless devices in a home or office using equipment connected to the Internet via specialized modems?

Why dont girls go bald

As you identify concerns about child development, you'll use assessment to A. evaluate whether a child has a special need or disability. B.