When a car's velocity is positive and its acceleration is negative, what is happening to the car's motion?

The upward force on an airplane's wing is thrust.

A hiker travels 1.0 kilometer south, turns and travels 3.0 kilometers west, and then turns and travels 3.0 kilometers north. What is the magnitude of the total displacement traveled by the hiker

What is 6.9 * 107 written in standard form? 0.00000069 0.000069 6,900,000 69,000,000

The bottom of a ladder is placed 4 feet from the side of a building. the top of the ladder must be 13 feet off the ground. what is the shortest ladder that will do the job?

A single-turn circular loop of wire of radius 65 mm lies in a plane perpendicular to a spatially uniform magnetic field. During a 0.10 s time interval, the magnitude of the field increases uniformly from 350 to 650 mT.

When you see a straw in a glass of water it looks bent why is this?

Compare the energy and wavelength of a microwave to the energy of a gamma ray.

T/F all compounds are molecules but NOT all molecules are compounds.

particle is projected from the surface of the planet Krypton with a speed equal to 3.6 times the escape speed from that planet's surface.

Does the box contain positive charge, negative charge, or no charge? Does the box contain positive charge, negative charge, or no charge?