You want to describe the harmonic motion of a swing. You find out that it take 2 seconds for the swing to

complete one cycle. What is the swing's period and frequency?

States that all matter is made of tiny particles that are in constant motion

All elements in a period have the same energy level due to which of the following reasons

The milky way galaxy is question 48 options: a spiral galaxy. part of a cluster of galaxies that contains a few dozen galaxies. about 80,000 light years in diameter. all of the above.

How can the net force on an object change the motion of the object

A golfer is on the edge of a 15 m bluff overlooking the 18th hole which is located 70 m from the base of the bluff. She launches a horizontal shot that lands in the hole on the fly. The gallery erupts in cheers.

What is the density of an unknown metal that has a mass of 158 g and a volume of 20 ml

An electron is located on the x axis at x0 = - 9.31*10-6 m. Find the magnitude and direction of the electric field at x = 9.39 * 10-6 m on the x axis due to this electron.

Earth attracts a person with a gravitational force of 7.0 * 102 newtons. What is the magnitude of the force with which the individual attracts Earth? 3.0 * 10² newtons 7.0 * 10² newtons 8.5 * 10² newtons 9.8 * 10² newtons

The productive cycle of a human is usually regulated by

Winston stands on the edge of a building's flat roof, 12 m above the ground, and throws a 147.0-g baseball straight down. the ball hits the ground at a speed of 18 m/s. what was the initial speed of the ball?