Does every scientific method begin with an observation? explajn.

A particle with a charge of 5.13 μC has a velocity of 8.64 x106 m/s in a direction perpendicular to a magnetic fieldof 1.99 x 10-4 T. The magnitudeof the force on this particle is 1 Newtons?

What is magnetism caused by? A. the motion of protons B. the motion of electrons C. the attraction between protons and electrons D. the interaction between neutrons and protons

If you want to be an astronaut you should be in good health and have a degree in engineering, science, or math. Astronauts research important problems and preform exciting tasks while in space, including all of these BUT A) zero gravity research.

Explain why a piece of paper falls slowly to the ground despite the force of gravity on it.

John pushes forward on a car with a force of 290 N while Bob pushes backward on the car with a force of 180 N. What is the net force on the car? A. 110 N forward B. 370 N backward C. 370 N forward D. 110 N backward

Up to 80% of doctors endorse this project "uses which rhetorical device"

What is beach reclamation?

Maintaining a proper lookout using human sight and hearing applies to boats under what circumstances?

Which planet is closest to earth in diameter mass and strength of gravity?

How are color and size related