if a coin and a piece of paper are dropped simultaneously from the same height which of two will touch the ground first? what will happen if they are dropped together in vacuum

12. Electrical current supplied by a battery is called

Which conclusion is supported by the data in the table? O An increase in the mass of an object causes the same decrease in the gravit An increase in the distance between the objects causes the same decrease i An increase in the distance between the

Give two examples of friction: -being useful in everyday life -being a problem in everyday life

Rank these electromagnetic waves on the basisof their speed (in vacuum). Rank from fastest to slowest. To rank items as equivalent, overlap them. a. Yellow lightb. FM radio wavec. Green lightd. X-raye. AM radio wavef. Infrared wave

True or false: in a compressional wave the matter in the medium moves back and forth at right angles to the direction that the waves travel.

When water is in a container the surface of the water is curved what the curve called?

A ship captain uses a steering wheel called a helm to turn the rudder of a sailing ahip. Do you thjnk it would be easier for him to turn a large wheel or a small wheel? explain why you think so

Potential energy and kinetic energy are created when work is done to change a position (PE) or a state of motion (KE). Ignoring friction, how does the amount of work done to make the change compare to the amount of PE or KE created? a.

The wavelength of a wave is the wavelength of a wave is how strong the wave is. equal to the speed of the wave times the wave's frequency. the distance between where the wave is emitted and where it is absorbed.

What is a carbon whip?