Which object hawhich object has the most gravitational potential energy?
a. a 30 kg suitcase at a height of 1.5 m
b. a 20 kg suitcase at a height of 2 m
c. a 30 kg suitcase at a height of 2 m
d. a 20 kg suitcase at a height of 1.5 ms the most gravitational potential energy?

Avery long solenoid of inner radius 2.75 cm creates an oscillating magnetic field of the form = for this solenoid, =0.00425 t and =319 rad/s. (a)what is the maximum value of the induced electric field at a perpendicular distance 1.45 cm from the axis of the solenoid? (b) what is the maximum value of the inducted electric field at a point 5.85 cm perpendicular from the axis of the solenoid?

Which is not an example of how an object gains elastic potential energy by stretching? a. jumping on a pogo stick b. pulling on a rubber band c. jumping on a trampoline

The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?