Charges
Electrical potential
Coulombs law
Electrical Potential Energy
Potpurri
100
Process of charging an object by bringing a charged object close to another object that is grounded.
What is Induction
100
The unit for measuring electrical potential is the __________
What is the volt
100
Electrostatic Force and Charge are ___________ proportional.
What is directly
100
What is the equation for electrical potential energy?
What is U = K(Q1Q2)/r
100
common name for the charge of the electron or proton
What is fundamental charge
200
The charging process by which only touching an object is needed to transfer a charge.
What is conduction
200
A coulomb is ______
What is the unit of charge
200
If the distance between the charge doubles the force will be
What is 1/4 as great
200
What is the equation for potential energy of a satalite?
What is U = -GMm/r
200
He was the first to discover Coulombs Law.
What is Henry Cavendish
300
The process by which the object responsible for electrifying does not transfer any charge to the object being electrified.
What is charge by induction
300
The resultant force on a charge is the sum of the ________ of the individual forces acting on a charge
What is vector
300
Coulomb's Law is very similar in form to this law.
What is the universal law of gravitation
300
What is the potential energy if a +2 nC charge moves from infinity to point A, 8 cm away from a +6 mC charge
What is 1.35 mJ
300
An electric field has both ______ and ______
What is magnitude and direction
400
Lightning occurs as a result of this type of charging
What is induction
400
The quantity electric potential is defined as the amount of _____.
What is potential energy per unit of charge
400
Two balloons with charges of +3.37 micro coulombs and -8.21 micro coulombs and the force between them is 0.0626 N. Determine the separation distance between the two balloons.
What is +1.99 m
400
What is the change in potential energy if a +2 nC charge moves from 8 cm to 12 cm from a +6 nC charge.
What is -0.450 mJ
400
A stationary particle is moving at a speed of 2.6 x 10^8 m/x relative to a laboratory observer. Its lifetime is measure to be 4.7 x 10^-6 seconds. What is the lifetime of the particle measured at rest?
What is 2.3 x 10^-6 seconds
500
With a Van de Graaff, a person walking by can experience a charge through induction because the _________ _________ spreads throughout the immediate area around the dome.
What is electric field.
500
Two charges Q1= +3 nC and Q2 = -5 nC are separated by 8 cm. Calculate the electric potential at point A
What is -1800 V
500
Two balloons are charged with an identical quantity and type of charge: -6.25 nC. They are held apart at a separation distance of 61.7 cm. Determine the magnitude of the electrical force between them.
What is 9.23 x 10^-7 N
500
Suppose three charges are set up in the following diagram: What is the electric potential energy of the group of charges in the figure?
What is 6.7 x 10^-7 J
500
A football is kicked with an initial velocity of 25 m/s at an angle of 45-degrees with the horizontal. Determine the time of flight, the horizontal displacement, and the peak height of the football.
What is 3.61 s, 63.8 m, 15.9 m