Physics 4A
FINAL EXAM Chapters 1 - 16
Fall 1998
Name:_
Posting Code _ _ _
Solve the following problems in the space provided. Use the back of the page if needed. Each problem is worth 10 points. You must show your work in a logical fashion starting with t
Physics 204A
Problem Set #6-2
1. A 70.0kg painter hoists himself upward using the rope and pulley system shown at the right. At some point while working his way upward, his acceleration is 1.50m/s2. Find the tension in the rope at this time. 2. Two acroba
Physics 204A
Problem Set #6-3
1. (a)Go on-line to find the radius and time of orbit for the International Space Station. The orbit isn't circular, so just use an average value. Be careful to find the radius of orbit not the altitude. If you get the altitu
Physics 204A
Problem Set #6-4
Charles "Gabby" Street was a catcher for the Washington Senators from 1909 to 1911. He reputedly caught a 145g baseball dropped from the top of the Washington Monument which is 152m tall. Modern wind tunnel measurements sugge
Physics 204A
Problem Set #7-1
1. Check out this video (http:/www.youtube.com/watch?v=vKpSbk8B9ok) of an airbag deploying during a crash. Suppose he mass of the driver's head is 3.00kg, the car is traveling 25.0m/s, and the drivers head comes to rest in 0.
Physics 204A
Problem Set #7-2
1. Find the location of the center-of-mass of the Earth-moon system. Why is it located inside Earth? 2. A tennis racket is tossed in the air and lands a few meters away from the person that tossed it. It spins around a few ti
Physics 204A 1. A bug flying northward at 8.00m/s collides with the windshield of a car traveling southward at 20.0m/s. Answer the following questions. For full credit, you must explain your thinking. Be sure to cite any relevant principles of physics. Wh
Physics 204A 1. The man at the right pushes a 15.0kg wheelbarrow at a constant speed for a distance of 5.00m. The normal force that the ground exerts on the wheel is 80.0N and the frictional force that the ground exerts on the wheel is 25.0N. Find (a)the
Physics 204A
Problem Set #8-2
1. A woman throws a ball of mass 0.200kg by accelerating it from rest to 30.0m/s over a distance (assumed to be along a straight line) of 85.0cm. Find (a)the initial kinetic energy of the ball, (b)the final kinetic energy of
Physics 204A
Problem Set #8-3
1. A top fuel dragster has a mass of 1000kg and it can accelerate from zero to 100mph (44.0m/s) in 0.840s. Find (a)the minimum amount of work that must be done by the engine and (b)the minimum average power output of the engi
Physics 204A
Problem Set #9-1
1. A river flows past the base of a 50.0m cliff on which a village rests. Water can be brought up in two ways. village The first method uses a pulley system that lifts a 3.00kg bucket vertically upward. The second way is to c
Physics 204A 1. The lemmings shown at the right leave the top of a 4.00m high cliff with a speed of 3.00m/s at an angle of 70.0 below horizontal. Find the speed at which they hit the water. 2. A 0.800kg mass oscillates horizontally at the end of spring wi
Physics 204A
Problem Set #9-3
1. The roller coaster show at the right is filled with riders and has a total mass of 2000kg. At the top of the 40.0m high hill it is moving at 6.00m/s. At the bottom it has a speed of 22.0m/s. (a)Describe at least two non-co
Physics 204A
Problem Set #10-1
1. For each of the following, state whether it is an angle, an angular velocity, or an angular acceleration and convert it into proper SI units. (a)37.0, (b)360/day, (c)1.20 rotations/minute, (d)12.0rpm/s, and (e)16.2revolut
Physics 204A 1. A child holds a 750g fish out of the water on the end of a 1.40m long fishing pole. Find the torque exerted by the weight of the fish about her hands if (a)the she is holding the pole horizontally and (b)if she is holding the pole at 30.0
Physics 204A
Problem Set #6-1
1. Cars without anti-lock brakes often lock their wheels during hard braking. In this case, the tires skid along the road and experience static friction. Anti-lock brakes keep the wheels from skidding by pulsing the brakes so
Physics 204A
Problem Set #5-2
1. The weight of an apple on Earth is 1.20N. Find (a)the mass of the apple on Earth, (b)the mass of the apple on the moon, and (c)the weight of the apple on the moon. The acceleration due to gravity on the moon is 1.62m/s2. 2
Physics 204A
Problem Set #5-1
1. For each of these situations, sketch the object of interest and indicate the forces acting on this object. (a)A pumpkin falling toward the ground. (b)A piata hanging from a vertical rope. (c)A physics book at rest on a tab
Physics 4A
FIRST EXAM Chapters 1 - 4
Fall 1998
Name:_ Solve the following problems in the space provided. Use the back of the page if needed. Each problem is worth 20 points. You must show your work in a logical fashion starting with the correctly applied
Physics 4A
SECOND EXAM Chapters 1 - 8
Fall 1998
Name:_ Solve the following problems in the space provided. Use the back of the page if needed. Each problem is worth 20 points. You must show your work in a logical fashion starting with the correctly applie
Physics 4A
THIRD EXAM Chapters 1 - 13
Fall 1998
Name:_ Solve the following problems in the space provided. Use the back of the page if needed. Each problem is worth 20 points. You must show your work in a logical fashion starting with the correctly applie
Physics 4A
FINAL EXAM Chapters 1 - 16
Fall 1998
Name:_
Posting Code _ _ _
Solve the following problems in the space provided. Use the back of the page if needed. Each problem is worth 10 points. You must show your work in a logical fashion starting with t
Physics 204A
Problem Set #1-1
COMMENT ON PROBLEM SOLVING: When you write up your solutions, you should have a document that is very helpful to you come exam time. A problem solution that is just some equations, a few lines of algebra, and a couple of numb
Physics 204A
Problem Set #2-1
When you write up your solutions, you should have a document that is very helpful to you come exam time. A problem solution that is just some equations, a few lines of algebra, and a couple of numbers not help you study at al
Physics 204A
Problem Set #2-2
COMMENT ON PROBLEM SOLVING: When you write up your solutions, you should have a document that is very helpful to you come exam time. A problem solution that is just some equations, a few lines of algebra, and a couple of numb
Physics 204A
Problem Set #2-3
COMMENT ON PROBLEM SOLVING: When you write up your solutions, you should have a document that is very helpful to you come exam time. A problem solution that is just some equations, a few lines of algebra, and a couple of numb
Physics 204A
Problem Set #2-4
COMMENT ON PROBLEM SOLVING: When you write up your solutions, you should have a document that is very helpful to you come exam time. A problem solution that is just some equations, a few lines of algebra, and a couple of numb
Physics 204A
Problem Set #3-1
COMMENT ON PROBLEM SOLVING: When you write up your solutions, you should have a document that is very helpful to you come exam time. A problem solution that is just some equations, a few lines of algebra, and a couple of numb
Physics 204A
Problem Set #4-1
1. The images below are from individual frames of four different videos, each with the position and velocity vectors superimposed. In all four cases, the acceleration is zero. For each given frame, sketch the next frame in th
Physics 204A
Problem Set #4-2
1. Check out this flaming piano launched with a trebuchet (http:/www.youtube.com/watch?v=wVADKznOhY). Below is a sketch of its flight. At each image of the piano add in the velocity vector, its horizontal and vertical compone