Questions from College Physics

Q: A fathom is a unit of length, usually reserved for measuring

A fathom is a unit of length, usually reserved for measuring the depth of water. A fathom is approximately 6ft in length. Take the distance from Earth to the Moon to be 250,000 miles and use the given...

Q: What types of natural phenomena could serve as time standards?

What types of natural phenomena could serve as time standards?

Q: A small turtle moves at a speed of 186 furlongs per fortnight

A small turtle moves at a speed of 186 furlongs per fortnight. Find the speed of the turtle in centimeters per second. Note that 1 furlong = 220 yards and 1 fortnight = 14 days.

Q: A firkin is an old British unit of volume equal to 9

A firkin is an old British unit of volume equal to 9 gallons. How many cubic meters are there in 6.00 firkins?

Q: Find the height or length of these natural wonders in kilometers,

Find the height or length of these natural wonders in kilometers, meters, and centimeters: (a) The longest cave system in the world is the Mammoth Cave system in Central Kentucky, with a mapped length...

Q: A car is traveling at a speed of 38.0 m

A car is traveling at a speed of 38.0 m/s on an interstate highway where the speed limit is 75.0 mi/h. Is the driver exceeding the speed limit? Justify your answer.

Q: A certain car has a fuel efficiency of 25.0 miles

A certain car has a fuel efficiency of 25.0 miles per gallon (mi/gal). Express this efficiency in kilometers per liter (km/L).

Q: The diameter of a sphere is measured to be 5.36

The diameter of a sphere is measured to be 5.36 in. Find (a) The radius of the sphere in centimeters (b) The surface area of the sphere in square centimeters, and (c) The volume of the sphere in cubi...

Q: Suppose your hair grows at the rate of 1/32 inch

Suppose your hair grows at the rate of 1/32 inch per day. Find the rate at which it grows in nanometers per second. Because the distance between atoms in a molecule is on the order of 0.1 nm, your ans...

Q: The speed of light is about 3.00 x 108 m

The speed of light is about 3.00 x 108 m/s. Convert this figure to miles per hour.