Teacher asking me this i have to call her back soon : (what are characteristics of the electromagnetic spectrum?

If a 100 N net force acts on a 50 kg car, what will the acceleration of the car will be?

Which of the following best describes a completely elastic collision? The kinetic energy (K) of the system before the collision equals K after. The potential energy (U) of the system before the collision equals U after.

The friction force between a bag and the floor is 4 N. what is the net force acting on the bag? What is the acceleration of the bag?

4. Calculate the total resistance for two 180 ohm resistors connected in parallel

In a hydraulic press, the large piston of cross-sectional area A1 = 200 cm2 and the small piston has the cross-sectional area A2 = 5 cm2. If a force of 250 N is applied to the small piston, what is the magnitude of force F on the large piston? a.

F an electron fell to a lower orbit or energy level, energy would be A. created. B. emitted. C. absorbed. D. transferred.

Which is the correct order from the closest to the sun to the farthest away from the sun? A. terrestrial planets, asteroid belt, gas planets, Kuiper belt B. gas planets, asteroid belt, terrestrial planets, Kuiper belt C.

Ethylene (C2H4) reacts with oxygen gas to produce carbon dioxide and water. 45.0 grams of ethylene reacts, how many grams of carbon dioxide gas will be produced?

What causes ice to melt and water to boil

A block of mass 3.5 kg slides down a frictionless inclined plane of length 6.4 m that makes an angle of 30 degrees with the horizontal. if the block is released from rest at the top of the incline, what is its speed at the bottom