5. Christopher Bergland holds the world record for most distance run on a treadmill
in a day. He ran 247.45 km. How many miles per hour did Chris have to run to
accomplish this?
6. The biggest piece of fudge ever created weighed 3010 lbs. The recommended
serving of fudge is 28g. How many servings did this piece of fudge have?
7. The heaviest weight ever lifted by a human ear is 51.7 kg. How many pounds is
this?
8. David Huxley holds the world record for heaviest plane pulled. The plane
weighed 184 tons. He covered 91m in 1 min and 27 sec. How many miles per
hour did he average while moving the plane?
9. The Cullinan Diamond, the world’s largest rough gem quality diamond, weighs
621.35g. and is estimated to have a value for $400 million. How many dollars per
ounce do this equal?
10. Jewel Royale Chess Set holds the title of “Most Expensive†Chess set. It has a
value of 9.8 million dollars. How much does a single piece of the set cost
(assuming that all the pieces are worth the same)?
11. The record qualifying time for the Indy 500 is set at 37.895 seconds. If the track is
2.5 miles, how many feet per second was the driver going? How many miles per
hour?
12. 1 atm = 14.7 Psi. 1 Gpa = 9869 atm.
At the bottom of the Earth’s mantle (right before you get to the core, 2885 km),
the pressure is estimated to be 140 Gpa.
a. How many Psi is this?
b. How many atm is this for every km down?
c. The Earth’s center is 6371 km below your feet. How many Gpa (gigapascals)
are at this depth?
13. The SR-71 Blackbird is the world’s fastest jet. It flew 1806.964 mph. How many
meters per second is this?
THE TOUGH ONE
1 cfs = 1 Cubic Foot per Second
The American River at its peak in 2005 was flowing at a rate of 26,400 cfs. How many
gallons per hour is this?
Tags: