What was the average speed in km/h of a car that travels [d] km in [t] h?

A sonar signal is sent from an oceangoing ship, and the signal returns from the bottom [t] s later. How deep is the ocean beneath the ship if the speed of sound in seawater is [v] m/s?

Which of the following has the greatest value for liquid water?

The molecules of a gas are much farther apart than molecules in a solid or liquid

A rifle is fired straight up, and the bullet leaves the rifle with an initial velocity magnitude of [vi] m/s.  After [t] s, the velocity is [vf] m/s.  At what rate is the bullet decelerated?

Consider an electrical transformer has [np] loops on its primary coil and [ns] loops on its secondary coil.  What is the voltage in the secondary coil if the primary coil is supplied with [vp] V?

A string with a harmonic of [n] has wave traveling at [v] m/s; if it vibrates with a frequency of [f] hz how long is the string in cm?  

A [m] kg mass has a kinetic energy of [ke] J.  What is its speed in m/s?

Which are associated with silicate tetrahedral units?

Which statements are incorrect as it relates to a magnetic field