Vocabulary/Definitions
... acceleration: How quickly an object speeds up, slows down or changes direction. Is equal to change in velocity divided by time. critical velocity: The speed needed at the top of a loop for a car to make it through the loop without falling off the track. force: Any push or pull. friction: A force cau ...
... acceleration: How quickly an object speeds up, slows down or changes direction. Is equal to change in velocity divided by time. critical velocity: The speed needed at the top of a loop for a car to make it through the loop without falling off the track. force: Any push or pull. friction: A force cau ...
Chapter 9
... So, the exhaust speed should be very high The increase in rocket speed is also proportional to the natural log of the ratio Mi/Mf So, the ratio should be as high as possible, meaning the mass of the rocket should be as small as possible and it should carry as much fuel as possible ...
... So, the exhaust speed should be very high The increase in rocket speed is also proportional to the natural log of the ratio Mi/Mf So, the ratio should be as high as possible, meaning the mass of the rocket should be as small as possible and it should carry as much fuel as possible ...
File
... (Linear) Velocity – rate at which displacement is covered eq’n: v = Δx/Δt units: m/s Tangential Velocity – rate at which distance is covered as something moves in a circular path – so the distance would amount to some multiple of the circumference of a circle eq’n: v = 2∏r/T, tangent to circle units ...
... (Linear) Velocity – rate at which displacement is covered eq’n: v = Δx/Δt units: m/s Tangential Velocity – rate at which distance is covered as something moves in a circular path – so the distance would amount to some multiple of the circumference of a circle eq’n: v = 2∏r/T, tangent to circle units ...
Chapter 9 Rotational Dynamics
... 1. Select the object to which the equations for equilibrium are to be applied. 2. Draw a free-body diagram that shows all of the external forces acting on the object. 3. Choose a convenient set of x, y axes and resolve all forces into components that lie along these axes. 4. Apply the equations t ...
... 1. Select the object to which the equations for equilibrium are to be applied. 2. Draw a free-body diagram that shows all of the external forces acting on the object. 3. Choose a convenient set of x, y axes and resolve all forces into components that lie along these axes. 4. Apply the equations t ...
Benchmark Bouns Math Practice
... 17. A 45N girl sits on a 8N bench. How much work is done on the bench? 18. A boy lifts a 30N dragon 2 meters above the ground. How much work did the boy do on the dragon? 19. If you are in a car that is being pulled down a 56.0 m path with a force of 12.5 Newton’s (N), what is the “work” done on the ...
... 17. A 45N girl sits on a 8N bench. How much work is done on the bench? 18. A boy lifts a 30N dragon 2 meters above the ground. How much work did the boy do on the dragon? 19. If you are in a car that is being pulled down a 56.0 m path with a force of 12.5 Newton’s (N), what is the “work” done on the ...
ch6 momentum
... The time rate of change of momentum of an object is equal to the ____________ acting on the object Net Force ...
... The time rate of change of momentum of an object is equal to the ____________ acting on the object Net Force ...
Chapter 6 - MrCrabtreesScience
... 6-2 Conservation of Momentum • Momentum is a conserved quantity • Imagine a soccer ball traveling at some velocity hits a stationary soccer ball. • What would happen? • It is likely that soccer ball one will slow down and soccer ball two will accelerate. ...
... 6-2 Conservation of Momentum • Momentum is a conserved quantity • Imagine a soccer ball traveling at some velocity hits a stationary soccer ball. • What would happen? • It is likely that soccer ball one will slow down and soccer ball two will accelerate. ...
Document
... 3. Let A = 2i +6j -3k and B = 4i +2j +k. Then A B equals 4. In the diagram, A has magnitude 12 and B has magnitude 8, The x component of A + B is about ...
... 3. Let A = 2i +6j -3k and B = 4i +2j +k. Then A B equals 4. In the diagram, A has magnitude 12 and B has magnitude 8, The x component of A + B is about ...
PHYS 307 LECTURE NOTES, Daniel W. Koon, St. Lawrence Univ.
... less?) and will think of the directions in front, to her left, and above as the x, y, and z axes, and will measure time according to her own wristwatch. Relativity is the study of how different observers describe the same phenomena. In this course, we will focus on classical relativity, a good appro ...
... less?) and will think of the directions in front, to her left, and above as the x, y, and z axes, and will measure time according to her own wristwatch. Relativity is the study of how different observers describe the same phenomena. In this course, we will focus on classical relativity, a good appro ...
ppt
... shaft of a 395 kg crane at a point 5.0 m from the hinged (pivot) point. When the crane is horizontal, the cable makes a 55 degree angle the crane. if the center of mass is located halfway between the pivot point and the cable, and the Crane is in static equilibrium what is the tension in the ...
... shaft of a 395 kg crane at a point 5.0 m from the hinged (pivot) point. When the crane is horizontal, the cable makes a 55 degree angle the crane. if the center of mass is located halfway between the pivot point and the cable, and the Crane is in static equilibrium what is the tension in the ...
South Pasadena · AP Chemistry
... in magnitude to the action force by the horse. c) The reaction force is acting on the same object as the action force. d) The reaction force is acting on a different object and is equal in magnitude to the action force. 48. When a bug smashes into a windshield on a moving car, the car must be affect ...
... in magnitude to the action force by the horse. c) The reaction force is acting on the same object as the action force. d) The reaction force is acting on a different object and is equal in magnitude to the action force. 48. When a bug smashes into a windshield on a moving car, the car must be affect ...
South Pasadena · AP Chemistry
... in magnitude to the action force by the horse. c) The reaction force is acting on the same object as the action force. d) The reaction force is acting on a different object and is equal in magnitude to the action force. 48. When a bug smashes into a windshield on a moving car, the car must be affect ...
... in magnitude to the action force by the horse. c) The reaction force is acting on the same object as the action force. d) The reaction force is acting on a different object and is equal in magnitude to the action force. 48. When a bug smashes into a windshield on a moving car, the car must be affect ...
Conservation of Energy and Momentum
... force of equal _______________________ and in the opposite _______________________. 12. All objects, when air resistance is neglected, accelerate toward the Earth at ____________m/s2 13. Weight is equal to ________________________________ and can be calculated by Fw = __________ . 14. Circular Motio ...
... force of equal _______________________ and in the opposite _______________________. 12. All objects, when air resistance is neglected, accelerate toward the Earth at ____________m/s2 13. Weight is equal to ________________________________ and can be calculated by Fw = __________ . 14. Circular Motio ...
15-1. principle of linear impulse and momentum
... =relative velocity just after impact =relative velocity just before impact ...
... =relative velocity just after impact =relative velocity just before impact ...