What force is necessary to accelerate a 50kg box at 30 m/s2?

LDL, or low density lipoprotein, is considered the bad cholesterol. Group of answer choices True False

An impulse always produces a change in A. momentum B. speed C. direction D. force

How are electromagnets different from regular magnets? They can be turned on and off. Their polarity can be reversed. Their strength can be changed. All of the above. None of the above.

You must plug in most appliances before they will work. where does the energy in an electrical outlet come from

Who developed the first model of the atom that showed the structure of the inside of an atom.

During a collision with another car, the occupants of a minivan initially travelling at 4.0 m/s come to a complete stop in 0.5 s. What was the acceleration of the occupants of the minivan? a) 8.0 m/s2 b) - 8.0 m/s2 c) 2.0 m/s2 d) - 2.0 m/s2

A system dissipates 12 J of heat into the surroundings; meanwhile, 28 J of work is done on the system.

Charlotte, a 60.0-kg skin diver, shoots a 2.0-kg spear with a speed of 15 m/s at a fish who darts quickly away without getting hit.

All objects are attracted to each other by the force of a. weight. b. mass. c. inertia. d. gravity.

landslides and mudslides caused by lava flows are ___ deadly than the lava flow itself. a. more b. less