A bag of sand has a density of 45 g/cm3 and a mass of 15 kg. How much space does the sand take up?

A. 3 cm3

B. 675 g/cm3

C. 333 cm3

A compass is a magnet and Earth is a magnet. How does the magnetism of a compass work with the magnetism of Earth so that a compass is a useful tool for navigating?

If two uncharged objects are rubbed together and one of them acquires a negative charge, then the other one

After observing the electric field in your trials above, where was the electric field the strongest? what was the direction of the electric field?

A battery is connected to a small torch bulb so that a current flows. The traditional direction of the flow of current and the flow of the electrons is ... a. The same from positive to negative. b. The same from negative to positive. c.

An electric clothes dryer is rated at 3,800 W. How much energy does it use in 50 min?

The force is proportional to what measurement

A moving ball rolls into a stationary ball. the total momentum of both balls after the collision will be

A train's mass is 18181.81 kg. What is its weight?

A body of mass 20kg is set in motion by two forces 3N and 4N acting at right angles to each other, determine the magnitude of the acceleration

Gerry and Lena work in a modern physics laboratory and study nanotechnology, which is a new type of technology that allows control over individual particles as small as molecules or atoms.