Which of the following best describes a magnet?

O

A. An object with two opposite charges

O

B. An object with a south pole

O

c. An object with two opposite poles

O

D. An object with a north pole

Which has the largest range in air 1. alpha particle, 2. beta particle 3. gamma rays 4. neutron

What is the momentum of a 0.046 kg golf ball traveling at a velocity of 60.0 m/s west

Differentiate the composition and texture of a plutonic igneous rock and a volcanic igneous rock.

At what rate does gravity cause objects to accelerate at sea level on earth

What do you call the process by which an electrical current is used to neutralize the magnetic field around a ship's hull in order to avoid detection by magnetic sensors?

In July 2005, NASA's "Deep Impact" mission crashed a 372-kg probe directly onto the surface of the comet Tempel 1, hitting the surface at 37,000 km/h.

What conversion factor is needed to change from kilometres to meters

What does the law of universal gravitation state?

Estimate the smallest possible period of a satellite in a circular orbit around earth. (mass and radius of earth is 5.98 x 1024 kg and 6.37 x 106 m. the universal gravitational constant g = 6.67 x 10-11 n. m2/kg2.)

What happens along a stationary front? a. Cold air rises over warm air. b. The flow of air is neither toward the warm air mass nor toward the cold air mass. c. Air moves so rapidly upward that hurricanes form. d. Wind stops completely.