Show:
One Dimensional Motion
Newton's Laws &Forces
Work, Power, Energy
Two Dimensional Motion
Lab Safety/ Unit Analysis/ Scientific Notation
100
What is the vector quantity that describes direction?
displacement
100
Define Newton's 1st Law.
An object in motion will stay in motion at a constant velocity unless acted upon by an external force. An object at rest will stay at rest unless acted upon by an external force.
100
Renatta Gass is out with her friends. Misfortune occurs and Renatta and her friends find themselves getting a workout. They apply a cumulative force of 1080 N to push the car 218 m to the nearest fuel station. Determine the work done on the car.
235,000 J
100
Any projectile after it is shot, threw, dropped will have an acceleration of what?
-9.8m/s/s
100
What is the appropriate container for broken class to be disposed in?
Sharp's container
200
A rocket traveling at 88 m/s is accelerated to 132 m/s over a 15 second interval. What is its displacement in this time?
1649 m
200
The acceleration due to gravity on the moon is 1.6 m/sec/sec. What does a 10 kg mass weigh on the moon?
16 N
200
During the Powerhouse lab, Jerome runs up the stairs, elevating his 102 kg body a vertical distance of 2.29 meters in a time of 1.32 seconds at a constant speed. How much Power did Jerome generate?
1730 W
200
In Denver, children bring their old jack-o-lanterns to the top of a tower and compete for accuracy in hitting a target on the ground. Suppose that the tower is 9.0 m high and that the bulls-eye is a horizontal distance of 3.5 m from the launch point. If the pumpkin is thrown horizontally, what is the launch speed needed to hit the bulls-eye?
2.57 m/s
200
An aspirin tablet contains 325 mg of acetaminophen. How many grains is this equivalent to? (1 gram = 15.432 grains)
5 grains
300
The Spirit rover could move across the Martian landscape at a maximum of 2.68 m/min. How many seconds would it take for it to travel 10.4 m, the length of a typical classroom?
232.8 s
300
How much force must be applied to push a 1.35 kg. book across the desk at constant speed if the coefficient of sliding friction is 0.30?
4 N
300
Ben Travlun carries a 200-N suitcase up three flights of stairs (a height of 10.0 m) and then pushes it with a horizontal force of 50.0 N at a constant speed of 0.5 m/s for a horizontal distance of 35.0 meters. How much work does Ben do on his suitcase during this entire motion?
3750 J
300
A ball rolls off a desk at a speed of 3.0 m/s and lands 0.40 seconds later. What is the speed at impact?
6.92 m/s
300
How many significant digits are in this number? 9010.0
3
400
Draw the velocity vs. time curve for the above position vs. time graph
See me
400
The box on the frictionless ramp is held at rest by the tension force. The mass of the box is 20 kg. What is the value of the tension force?
98N
400
A bicycle has a kinetic energy of 124 J. What kinetic energy would the bicycle have if it had twice the mass and was moving at the same speed?
248 J
400
A baseball player leads off the game and hits a long home run. The ball leaves the bat at an angle of 30.0o from the horizontal with a velocity of 40.0 m/s. How far will it travel in the air?
141 m
400
If you take too much of a chemical when working, what are you supposed to do with the excess?
Dispose of it in the appropriate way according to the teacher's directions.
500
Usain Bolt runs the 100m dash in 9.59s. What is his average velocity during this race?
10.4 m/s
500
The box on the frictionless ramp is held at rest by the tension force. The mass of the box is 20 kg. What is the value of the normal force?
170 N
500
A 78-kg skydiver has a speed of 62 m/s at an altitude of 870 m above the ground. What is the potential energy of the skydiver at this instant?
670,000 J
500
An elastic loaded balloon launcher fires balloons at an angle of [38.0o N of E] from the surface of the ground. If the initial velocity is 25.0 m/s, find how far away the balloons are from the launcher when they hit the level ground again.
61.8 m
500
A cube that has a length of 1 cm on each side has a volume of 1 cubic centimeter. How many cubic centimeters are in 1 cubic meter?
1,000,000 cubic meters