Suppose you have two charges, -8.1×10^-8 C and -2.4×10^-7 C respectively, with a certain distance from each other. The electric potential at a point 6.6×10^2 m away from the greatest charge is -7.5 volts. What is the distance between the charges?

An object thrown vertically upward from the surface of a celestial body at a velocity of 36 m/s reaches a height of sequalsminus0.9tsquaredplus36t meters in t seconds. a. determine the velocity v of the object after t seconds. b. when does the object reach its highest point? c. what is the height of the object at the highest point? d. when does the object strike the ground? e. with what velocity does the object strike the ground? f. on what intervals is the speed increasing?

Rohit is trying to tune an instrument

How would a small bar magnet be oriented when placed at position x?