Uranus has more than 14 times as much mass as earth, yet the gravitational force is less. how can that be?

A cart of mass m moving right at speed v collides with an identical cart moving right at half the speed. the carts stick together. what is their speed after the collision

John coasts on his skateboard at a speed of 4 m/s. He uses his foot to increase his speed to 5 m/s. If he has a mass of 103 kg, what impulse does he apply

Why does an insulator has a high resistance

The air temperature in a 28 in. 3 container with a free sliding piston is initially measured at 45 ° f. the temperature is raised to 200 ° f. what is the new volume of the container?

A battery is connected to a resistor. as charge flows, the chemical energy of the battery is dissipated as

Approximately how much electrical energy does a 5-W light bulb convert to radiant or thermal energy in one hour

If a clock expends 2 W of power from a 1.5 V battery what amount of current is supplying the clock?

The rectangular plates in a parallel-plate capacitor are 0.063 m * 5.4 m. A distance of 3.5 * 10-5 m separates the plates. The plates are separated by a dielectric made of Teflon, which has a dielectric constant of 2.1.

What connection does salt have with acids and bases?

All of the following are types of telescope except