What is the approximate weight of a 20-kg cannonball on earth?

a. 2 n

b. 20 n

c. 200 n

d. 2000 n?

What gives you a measurement of H + ions in osolutions

When charging by induction both objects end up with the opposite charges

6. A person who weighs 600 N is standing on a scale in an elevator. The elevator is identical in both cases. In both cases the elevator is moving downward, but in Case A it is accelerating upward and in Case B it is accelerating downward.

Describe the motion of air particles inside an inflated balloon.

The switch has been open for a long time before it is closed at t = 0. what is ustored, the total stored energy in the circuit elements (not including the battery) a long time after the switch is closed?

Lemonade powder is stirred into water until it dissolves. Which are true statements? Check all that apply. A. Lemonade is the solute. B. Water is the solvent. C. Lemonade is the solvent. D. Water is the solute.

A skateboarder is accelerating forward. How would his acceleration change if he had more mass? A. His acceleration would decrease. B. His acceleration would be zero. C. acceleration would stay the same. D. acceleration would increase.

What is phanerogam? mention it's two group

A runner has a momentum of 720 kg m/s and is traveling at a velocity of 5 m/s. What is his mass?

What is electrical conductivity?