A sphere has a charge of + 12µC. How many electrons were removed from the sphere?

a. 7.5 X 1013

b. 7.5 X 1019

c. 4.8 X 1025

d. 12 x 10-6

A small black spot is present on the metal plate and if the metal plate is heated to red hot and quickly placed in a dark room then the spot will appear white while the plate appears black.

Does strong nuclear force relate to weight

What will result in the greatest gravitational force

If you applied a 12N force to a box and made it accelerate at 3 m/s, how much mass did the box have?

Which of the following are good conductors? A. A rubber tire B. A penny C. A newspaper D. An aluminum soda can E. Water F. Air

How much heat is contained in 100 kg of water at 60.0 °C?

Which of the following statements is the best definition of weather? Weather is the current conditions in the atmosphere. Weather is the usual conditions in the atmosphere. Weather is the average conditions in the atmosphere.

Analyze: In the series circuit what characteristic was common throughout the experiment? What changed as you added more light bulbs?

StA A boat takes off from the dock at 2.5 m/s and speeds up at 4.2 m/s2 for 6.0 s. How far has the boat traveled? Round your answer to the nearest whole number.

In Part A, you determined that the heat added to the coffee is what you got. If it takes 4.2 J of energy to raise the temperature of 1.0 mL of coffee by 1.0∘C, then it should take twice as much energy to raise the temperature of 2.