A photon is a quantum of light energy.

a. True

b. False

If a force of 20 N is applied to an object with a mass of 3 kg, the object will accelerate at m/s2

Charging an object without touching it is called?

A standard basketball (mass = 624 grams; 24.3 cm in diameter) is held fully under water. a. Calculate the buoyant force and weight. b. When released, does the ball sink into the bottom or float to the surface? c.

One day at soccer practice, you kick a ball hard and it rolls across the grass. It eventually comes to a stop because

An iron anchor of density 7890.00 kg/m3 appears 299 N lighter in water than in air. (a) What is the volume of the anchor? (b) How much does it weigh in air?

Who was febanachi and wht did he accomplish

A sample of blood is placed in a centrifuge of radius 12.0 cm. The mass of a red blood cell is 3.0 ✕ 10^-16 kg, and the magnitude of the force acting on it as it settles out of the plasma is 4.0 ✕ 10^-11 N.

A guitar string produces 3 beats/s when sounded with a 352-hz tuning fork and 8 beats/s when sounded with a 357-hz tuning fork.

4. The amount of distance you need to stop the car increases with specu. A. true B. false

What are the three most abundant gases in the dry atmosphere?