11030 Practice EXAM IIExam II covers the third and fourth ideas of the Seven Ideas course.
Choose the answer you think is best for each question and then use the pull down menu below the question to check your answer.
A. 5 pounds per square inch
B. 10 pounds per square inch
C. 15 pounds per square inch
D. 20 pounds per square inch
A. 52 pounds
B. 56 pounds minus the weight of the displaced water
C. 56 pounds
D. 16 pounds
A. Materials can be turned into super conductors at temperatures far
above absolute zero,
B. Absolute zero has been reached.
C. A new way to transfer heat has been discovered,
D. Materials with very high specific heat have been discovered.
A. energy is always conserved
B. Newton's first law
C. a thermocouple can be used to generate electricity
D. different materials expand different amounts when heated
A. The carpet conducts the heat slowly from your feet,
B. The carpet has a higher temperature than the floor.
C. The carpet has a higher specific heat than the floor,
D. The carpet contains more heat than the floor.
A. the 2nd law of thermodynamics.
C. mechanical equivalent of heat.
D. Archimedes' principle.
A. the air pressure will be greater on the right side of the plastic
causing the plastic to move to the left.
B. the air pressure will be greater on the left side of the plastic
causing the plastic to move to the right.
C. the air pressure will be the same on both sides.
A. Centrifugal "force" held the penny on the hanger.
B. Angular momentum caused the penny to fall off the hanger.
C. Kinetic energy was converted to chemical potential energy.
D. The penny behaved as though it were at absolute zero.
A. cause the moon to move slower as it revolves around the Earth.
B. cause the moon to move faster as it revolves around the Earth.
C. the moon would not change its speed.
A. A person who does 300 joules of work in 4 seconds.
B. A person who does 400 joules of work in 5 seconds.
C. A person who does 50 joules of work in 1 second.
D. A person who does 1000 joules of work in 10 seconds.
A. fall back to Earth
B. fly off into space leaving the Earth forever
C. orbit the Earth
A. 100 degrees Celsius.
B. more than 100 degrees Celsius.
C. less than 100 degrees Celsius.
B. large calorie
C. small calorie
A. The car can do 100 foot pounds of work every second.
B. The car can push on an object with 74600 Newton’s of force and move
the object one meter in one second.
C. The car can do 100 joules of work in one second.
D. The car can do 746 foot pounds of work in one second.
A. A moving car
B. stretched rubber band
C. water on top of a waterfalls
D. a can of gasoline
E. All of the above are forms of energy
A. 80 feet
B. 20 feet
C. 40 feet
D. 5 feet
E. 10 feet
A. A burning log in a fireplace (normal size log)
B. A hot cup of coffee
A. 2nd law of thermodynamics.
C. the mechanical equivalent of heat.
D. Bernoulli's theorem.
E. none of the above.
B. radiation and conduction.
D. convection and conduction.
E. conduction, convection, and radiation.
A. 32 degrees Fahrenheit
B. 20 degrees Fahrenheit
C. the ice cube will be the same size at both the above temperatures
A. .8 slugs
B. 1.25 slugs
C. 2 slugs
D. 18 slugs
E. 80 slugs
A. an erg
B. a joule
C. a foot pound
B. Kelvin thermometer
C. plasma phase of matter
D. liquid crystal
E. super conductor
A. centrifugal force
B. angular momentum
C. conservation of energy
D. increase in entropy
A. The car can do 4 times as much damage if it hits something.
B. The car can do 16 times as much damage if it hits something.
C. The car can do 256 times as much damage if it hits something.
D. The car can do 1600 times as much damage if it hits something.