If your heart rate is 150 beats per minute during strenuous exercise, what is the time per beat in seconds?
Light travels 9 Pm per year. Calculate the speed of light in meters per second. Use a value of s for the duration of a year.
A man has a mass of 85.2 kg. State this mass in lb to three significant figure precision.
Gold is sold by the troy ounce. A troy ounce equals 31.103 g. What is the volume of 1 troy ounce of pure gold? Use a value of kg/m3 for the density of pure gold.
Considering an average of 80 heart beats of a person per minute, on average, how many heart beats does a person have in a year?
What is the possible drift of a clock that is accurate to within one second per year?
The speed limit on some interstate highways is roughly 100 km/h.
What is this in meters per second?
How many miles per hour is this?
Note: 1 mile.
An electron has a mass of kg. An alpha-particle has a mass of kg.
What is the mass of an alpha-particle in electron masses?
N2 gas has a molar mass of 28.0 g/mol, and CO2 gas has a molar mass of 44.0 g/mol.
How many moles are in 0.0500 g of N2 gas?
How many moles are in 10.0 g of CO2 gas?
How many molecules are in 0.0500 g of N2 gas?
How many molecules are in 10.0 g of CO2 gas?
A car is traveling at a speed of 42 m/s. What is its speed in kilometers per hour?
How many nm is 100 angstroms equivalent to?
Mount Everest, at ft, is the tallest mountain on Earth. What is its height in kilometers? (Assume that .)
If , how many newtons of force is equivalent to 1 lbf?
What is the height in meters of a person who is 6.00 ft 2.00 in tall?
What Kelvin temperature is equivalent to 32 degrees Fahrenheit? Answer to three significant figure precision.
A commonly used unit of mass in the English system is the pound-mass, abbreviated lb, where . What is the density of water in pound-mass per cubic foot?
Density of water = kg/m3.
A light-nanosecond is the distance that light travels in a vacuum in exactly 1 ns. How many light-nanoseconds equal 1 foot if a foot is equal to 0.3048 m? Use m/s for the speed of light in a vacuum.
Football is played on a 115-yd-long field. How long is the field in meters? Assume that and .
1 fluid ounce is equal to approximately 30 mL. A can of soda pop has a volume of 12 fl oz. What is the volume of a can of soda pop in cubic meters?
Restate kg using a metric prefix such that the resulting number is greater than one but less than one thousand.
The speed of sound is measured to be 338 m/s on a particular day. What is this speed in km/h?
Light travels at a speed of m/s. A light-second is the distance light travels in 1 second. If the Sun is m from Earth, how far away is it in light-seconds?
What is 1.0 m/s in kilometers per hour?