D. protons and neutrons have charges of the same magnitude but opposite sign. true or false

A thin film of oil (n = 1.27) is located on smooth, wet pavement. when viewed perpendicular to the pavement, the film reflects most strongly red light at 640 nm and reflects no blue light at 427 nm. how thick is the oil film?

How can electricity be compared to water?

A rocket is launched straight up with constant acceleration. four seconds after liftoff, a bolt falls off the side of the rocket. the bolt hits the ground 7.5 s later. what was the rocket's acceleration? (neglect air resistance.)

Match the following vocabulary 1. A force applied by a surface that is perpendicular to that surface friction force 2. A pulling force force 3. A rubbing force between the surfaces of two objects Newton's first law 4.

A rocket is launched straight up from the earth's surface at a speed of 1.60*104 m/s. what is its speed when it is very far away from the earth?

Example of a colloid?

At what temperature does gasoline freeze

A closed, rigid tank contains Refrigerant 134a initially at 100°C. The refrigerant is cooled until it becomes saturated vapor at 20°C. Kinetic and potential energy effects can be ignored.

What does the Law of the Conservation of Mass state

D. protons and neutrons have charges of the same magnitude but opposite sign. true or false