Physics Questions
Explore questions in the Physics category that you can ask Spark.E!
lifting objects up, which increases potential energy, is work done __________ gravity
energy can change its form, but the total ___________ won't change
an object gains ____________ energy as it falls down
kinetic energy _____________ = negative work done; velocity and acceleration in the opposite direction (object slows down)
an object loses ____________ energy as it falls down
total/net work can be __________ (pos & neg forces cancel out) but work is still being done
kinetic energy _______________ = no work done, no change in motion
work is ___________ if the force is in the same direction as the motion
an object loses _________ energy when lifted
work can be done by any force as long as ___________ is involved
An object gains __________ energy when lifted
what is the abbreviation of decibels
when sounds and their reflecting reach your ears at different times, you might hear an echoing that is
what indicates the amplitude of a compressional wave
system that uses the reflection of underwater sound waves to detect objects
what is the abbreviation for hertz
the process of location objects by emitting sounds and interpreting the sound waves reflected back
created when specific pitches and sound qualities are used deliberately in a set pattern
what passes sound vibrations to the hammer, anvil and stirrup
a hollow chamber filled with air that amplifies sound when its air vibrates