A maglev train can "float" because magnets in the bottom of the train and on the guideway ...

A. have like poles that attract each other

B. have unlike poles that repel each other

C. have like poles that repel each other

The tendency of a physical object to remain still or continue moving, unless a force is applied is called

A space probe is launched from Earth, headed for deep space. At a distance of 10,000 miles from the Earth's center, the gravitational force on it is 600 lb.

Which statements describe intensity? Check all that apply. Intensity is the amount of energy that flows in an area per unit of time. Intensity is the number of wavelengths that flow in an area per unit of time.

A snowboarder stands at the top of a hill and decides to see if he can increase his speed on his next trip down the slope. Describe one thing the snowboarder could do to increase his speed on the slope.

The volcanic landforms at divergent ocean plate boundaries are

A 4.0-kilogram object is accelerated at 3.0 meters per second2 north by an unbalanced force. The same unbalanced force acting on a 2.0-kilogram object will accelerate this object toward the north at (1) 12 m/s2 (3) 3.0 m/s2 (2) 6.0 m/s2 (4) 1.5 m/s2

Religion, astrology, and handwriting analysis are all believed in and used by many people. How are they different from psychology?

A ball is thrown straight down a at 10.0 m/s from a 32.4 m-high building. How long does it take to reach the ground? What is the speed the moment before it hits the ground?

Based on the video, which venus phase would be impossible to see (from earth) of venus orbited earth as described in ptolemy's earth-centered model

Darrel noticed that his finger felt warmer in the ice water then did his left finger which of the following does the experiment show