Speed of a car in the first half of its trip is 30km/h. What should be its speed in the next half (same distance) such that its speed in the entire trip is 42 km/h.

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates

The amount of potential energy possessed by an elevated object is equal to what?