Errors - add numbers
Add this pair of numbers.
9+-3, 5+-1.
The uncertainity is:

What is the most useful equation for electric power?

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?