Two students are standing on a fire escape, one twice as high as the other. Simultaneously, each drops a ball.

If the first ball strikes the ground at time t, when will the second ball strike the ground?

The left plate of a parallel plate capacitor carries a positive charge Q, and the right plate carries a negative charge - Q. The magnitude of the electric field between the plates is 100 kV/m.

A ball is thrown upward at a velocity of 19.6 m/s. What is its velocity after 3.0, assuming negligible air resistance?

A child throws a steel ball straight up. consider the motion of the ball after it has left the child's hand but before it touches the ground, and assume that forces exerted by the air are negligible.

Which element is a shiny element that conducts heat and electricity

45. An object with a mass of 25 kg accelerates east at a rate of 7 m/s? What fiet force is acting on the object?

If someone travels 3000 feet in one second, how far will it travel in 18 minutes

How long did it take to reload a rifle during the 18th 19 century?

Oil flows upward in the wick of a lantern because of the liquid property called A. meniscusity. B. capillarity. C. density. D. viscosity.

A high-mass star has more "fuel" than a low-mass star. which lives longer? why?

Suppose that, while lying on a beach near the equator of a far-off planet watching the sun set over a calm ocean, you start a stopwatch just as the top of the sun disappears. you then stand, elevating your eyes by a height h = 1.