The density of mercury is 13.54 g/cm3. Suppose you need 40 gm of mercury for an experiment. What volume of mercury do you need?

You have a fish aquarium with the dimensions of 55cmx100cmx80cm. What volume of water should you put?

An airplane is carrying 7575 passengers, which is 5656 of the capacity of the airplane. what is the capacity of the airplane?

A machine has an efficiency of 20 percent. Find the input work if the output work is 140 Joules

6. In a Circular Coil the magnetic field lines take which shape? O Parallel Lines O Concentric Ellipses O Concentric Circles

How do you relate and explain a planet's distance from the Sun to things like the time of their year & their average tempareature

Imagine that you replace the block in the video with a happy or sad ball identical to the one used as a pendulum, so that the sad ball strikes a sad ball and the happy ball strikes a happy ball.

Under what conditions will an object experience a gravitational force? Under what conditions will an object experience an electric force? Under what conditions will an object experience a magnetic force?

A basketball player pushes down with a force of 34 N on a basketball that is inflated to a gauge pressure of 9 x 104 Pa. What is the diameter of contact between the ball! and the floor?

Match these terms with their definitions: 1. unit of electrical resistance ampere 2. unit of electromotive force or electrical potential ohm 3. unit for measuring the strength of an electric current volt 4. unit of electrical power watt

In which is momentum conserved: an elastic collision or an inelastic collision?