Chapter 4
Chapter 5
Chapter 6
Mixed Review
Potpourri
100
This is the tendency of an object to maintain its state of motion
What is inertia
100
This is the sum of kinetic energy and all forms of potential energy
What is mechanical energy
100
A 6.0x10^-2 kg tennis ball moves at a velocity of 12 m/s. The ball is struck by a racket, causing it to rebound in the opposite direction at a speed of 18 m/s. What is the change in the ball's momentum?
What is -1.8 kgxm/s
100
An astronaut with a mass of 70.0 kg is outside a space capsule when the tether line breaks. To return to the capsule, the astronaut throws a 2.0 kg wrench away from the capsule at a speed of 14 m/s. At what speed does the astronaut move toward the capsule? In what direction does the astronaut move?
What is .40 m/s towards the capsule
100
This was Mickey Mouse's original name
What is Mortimer Mouse
200
If a nonzero net force is acting on an object, then the object is definitely doing what
What is being accelerated
200
A 5.00x10^2 N crate is at the top of a 5.00 m ramp, which is inclined at 20.0 degrees with the horizontal. What is its potential energy? (g= 9.81 m/s^2)
What is 855 J
200
A bowling ball with a mass of 7.0 kg strikes a pin that has a mass of 2.0 kg .The pin flies forward with a velocity of 6.0 m/s, and the ball continues forward at 4.0 m/s. What was the original velocity of the ball?
What is 5.7 m/s
200
A clay ball with a mass of 0.35 kg strikes another 0.35 kg clay ball at rest, and the two balls stick together. The final velocity of the balls is 2.1 m/s north. What was the first ball's initial velocity? In what direction was the first ball moving?
What is 4.2 m/s north
200
This is where the Olympic games originated
What is Greece
300
A sled is pulled at a constant velocity across a horizontal snow surface. If a force of 80 N is being applied to the sled rope at an angle of 53 degrees to the ground, what is the force of friction between the sled and the snow? Draw a force diagram.
What is 48 N
300
A worker pushes a wheelbarrow with a horizontal force of 50.0 N over a level distance of 5.0 m. If a frictional force of 43 N acts on the wheelbarrow in a direction opposite to that of the worker, what net work is done on the wheelbarrow?
What is 35 J
300
Each croquet ball in a set has a mass of 0.50 kg. The green ball travels at 10.5 m/s and strikes a stationary red ball. If the green ball stops moving, what is the final speed of the red ball after the collision? In which direction does the red ball move?
What is 10.5 m/s; forward
300
What is the main difference between kinetic energy and potential energy
What is kinetic energy involves motion and potential energy involves position
300
This is the antonym for the word synonym
What is antonym
400
A sled weighing 100 N is held in place on a frictionless 20.0 degree slope by a rope attached to a stake at the top. The rope is parallel to the slope. What is the normal force of the slope acting on the sled? Draw a force diagram.
What is 94 N
400
A 1.20x10^3 kg elevator carries a maximum load of 700.0 kg. A constant frictional force of 4.25x10^3 N retards the elevator's motion upward. What minimum power, in kilowatts, must the motor deliver to lift the fully loaded elevator at a constant speed of 4.00 m/s?
What is 91.6 kw
400
A diver with a mass of 80.0 kg jumps from a dock into a 130.0 kg boat at rest on the west side of the dock. If the velocity of the diver in the air is 4.10 m/s to the west, what is the final velocity of the diver after landing in the boat? In what direction is the diver moving?
What is 1.56 m/s to the west
400
An elevator weighing 2.00x10^5 N is supported by a steel cable. What is the tension in the cable when the elevator is accelerated upward at a rate of 3.00 m/s^2? (g= 9.81 m/s^2)
What is 2.61x10^5 N
400
This actress played Rachel Green in Friends
Who is Jennifer Aniston
500
A crate is carried in a pickup truck traveling horizontally at 15.0 m/s. The truck applies the brakes for a distance of 28.7 m while stopping with uniform acceleration. What is the coefficient of static friction between he crate and the truck bed if the crate does not slide?
What is 0.400
500
A 0.750 kg block on a vertical spring with a spring constant of 5.00x10^3 N/m is pushed downward, compressing the spring 0.215 m. When released, the block leaves the spring and travels upward vertically. How high does it rise above the point of release?
What is 15.7 m
500
A bird is perched on a swing. The bird has a mass of 72.5 g, and the base of the swing has a mass of 164 g. The swing and the bird are originally at rest, and then the bird takes off horizontally at 3.20 m/s. How high will the base of the swing move above its original level? Disregard friction.
What is .101 m
500
A hill is 100 m long and makes an angle of 12 degrees with the horizontal. As a 50 kg jogger runs up the hill, how much work does gravity do on the jogger? choices: A) 50,000 J B) 10,000 J C) -10,000 J D) 0.0 J
What is C, -10,000 J
500
This was Aretha Franklin's first Number 1 hit song
What is Respect
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