Bob rubs a piece of fur on a hand rubber rod, giving the rod a negative charge. what happens?

Quantities that are pure numbers

A 2.50 gram rectangular object has measurements of 22.0 mm, 13.5 mm, and 12.5 mm. what is the object's density in units of g/ml?

Based on this electric field diagram, which statement best compares the charge of A with B? A. A is negatively charged and B is positively charged. The charge on A is greater than that on B. B. A is negatively charged and B is positively charged.

How does the capacitance of two identical capacitors connected in series compare to that of one of the capacitors?

Constructive interference will cause two sound waves to cancel each other out resulting in silence True or False

An engineer has the task of producing an aluminum alloy with a density of 3.0 grams per cubic centimeter. She comes up with the perfect alloy and saves a sample of it. Which mass and volume measurements correspond to this sample? 7 g and 2.

What must be your car's average speed in order to travel 235km in 3.25 hours?

At a certain location, the horizontal component of the earth's magnetic field is 2.5 * 10-5 T, due north. A proton moves eastward with just the right speed for the magnetic force on it to balance its weight. Find the speed of the proton.

An acrobatic airplane performs a loop at an airshow. The centripetal acceleration the plane experiences is 14.7 m/s2. If it takes the pilot 45.

Which of the following was NOT an outcome of Bacon's rebellion? A. A more direct focus on the "Indian Problem" B. A more focused plain to isolate black slaves from white servants C.