What two principal factors affect the force of air resistance on a falling object?

True or False: When describing motion, there is no need to include the direction of motion.

Which kinds of lenses are in a light microscope? a concave objective lens and a convex eyepiece lens a convex objective lens and a concave eyepiece lens concave objective and eyepiece lenses convex objective and eyepiece lenses

Which of these changes would solidify a substance? a. an increase in temperature b. an increase in kinetic energy c. a decrease in particle movement d. a decrease in molecular attraction

Solve the problem. The Bay area of California was shaken by an earthquake on October 17, 1989. The epicenter was located at Loma Prieta. The diameter of the earthquake's horizontal waves that shocked the area measured about 120 miles.

The intensity of light from a star varies inversely as the square of the distance. If you lived on a planet ten times farther away from the sun than the Earth, how would the light intensity of the sun compare with that on Earth?

A bungee cord is 30.0 m long and, when stretched a distance x, it exerts a restoring force of magnitude kx. Your father-in-law (mass 99.0 kg) stands on a platform 45.

According to Newton's third law, what is likely to happen if you attempt to jump horizontally from a small boat to the dock before the boat is securely tied up? A. The boat will sink from being pushed down. B.

Describe a situation in which different units of measure could cause confusion.

Which of the following lists the stars in order from least density to greatest density? A. white dwarf, neutron star, main sequence star, giant B. giant, main sequence star, white dwarf, neutron star C.

When Dr. Hewitt immerses an object in water the second time and catches the water that is displaced by the object, how does the weight lost by the object compare to the weight of the water displaced?