Complete the passage to describe the universal law of gravitation. The universal law of gravitation, written by Isaac, says that any two objects in the universe attract each other by a force called?

Which of the following are also major levels of classification? A. Genus B. Species C. Group.

What is the wavelength of a sound wave that has a speed of 250m/s and a frequency of 400hz

Which of the following waves are mechanical? A. Ocean waves B. Light waves C. Radio waves D. Microwaves

A 1250 kg car is moving down the highway with a velocity of 32.0 m/s when it bumps into the car ahead of it which has a mass of 875 kg and a velocity of 25.0 m/s. After the collision, the two cars stick together.

What is the rotational kinetic energy of the Earth about the Sun? Assume the earth is a uniform sphere, mass of the Earth is 5.97 x 10^24 kg, mass of the Sun is 2.99x10^30 kg, radius of the Earth is 6.37x10^3 km, radius of the Sun is 6.

Why doesn't a ball roll forever after being kicked at a soccer game!

When analyzing forces, it is allowable to break the motion and forces into horizontal and vertical components.

Who thought the earth was the center of the universe

What is the efficiency of the machine if the input is 263 J and the output is 142 J?

What are the benefits of the cool-down period following exercise?