Psychology is a

A) science

B) philosophy

C) theory

D) opinion

Which event below cannot be explained by the movement of the lithospheric plates? A. mountain formation B. tornadoes C. volcanoes D. earthquakes

What is transmission material manufactured so that signals will be confined to a narrow path and will behave predictably?

A plane accelerates from rest at a constant rate of 5.00 m/s2 along a runway that is 1800 m long. Assume that the plane reaches the required takeoff velocity at the end of the runway. a. What is the time tTO needed to take off? b.

Which of the following are clues that a chemical reaction may have taken place? A. Temperature remains constant B. Release of heat C. Formation of a solid D. Mass increase

A combination of two or more simple machines is a (n)

Contrast balanced and unbalanced forces.

A wave will travel only as long as it has energy

a box sliding on a frictionless surface when it suddenly begins to rain heavily. if the downpour of rainfall falls vertically into the box, gradually filling it, what would happen to the speed of the box

Which would fall with a greater acceleration in a vacuum-a leaf or a stone?

A force acts on a 5kg object at rest. How fast will the object accelerate on a frictionless surface? A.) 4 m/s^2 B.) 15 m/s^2 C.) 25 m/s^2 D.) 100 m/s^2