A 4kg vase sits on a shelf at a height of 1.2m. how much gravitational potential energy is added to the vase when it is lifted to a shelf of height 1.4m?

Why does Mercury's surface temperature vary so much from day to night

What should scientists do after completing a scientific investigation? A write a hypothesis B confirm the results C design the procedure D make observations

A physics demo launches a ball horizontally while dropping a second ball vertically at exactly the same time. 1) which ball hits the ground first?

A comet orbits a star in a strongly elliptical orbit. The comet and star are far from other massive objects. As the comet travels away from the star, how does the kinetic energy and potential energy of the system change?

Does time machine really exist?

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

In a longitudinal wave moving along a spring, what are areas where the coils are farthest apart called?