Module 1 - Kinematics Module 2
... Every body continues in its state of rest or uniform speed in a straight line unless acted on by a nonzero net force. The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. The direction of the acceleration is in the direction of ...
... Every body continues in its state of rest or uniform speed in a straight line unless acted on by a nonzero net force. The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. The direction of the acceleration is in the direction of ...
4-1_to_4-3 - mrhsluniewskiscience
... • There are several ways to describe an inertial frame. Here are a few descriptions: – An inertial frame of reference is a frame of reference with constant velocity. – An inertial frame of reference is a non-accelerating frame of reference. – An inertial frame of reference is a frame of reference in ...
... • There are several ways to describe an inertial frame. Here are a few descriptions: – An inertial frame of reference is a frame of reference with constant velocity. – An inertial frame of reference is a non-accelerating frame of reference. – An inertial frame of reference is a frame of reference in ...
The Natural State of Motion --
... does not hold is called a Non-inertial reference frame. Conversely a system in which Newton's first law does hold is called an Inertial reference frame. A bus which puts on its breaks, and the passengers are thrown toward the front of the bus is a non-inertial reference frame. To a very good approxi ...
... does not hold is called a Non-inertial reference frame. Conversely a system in which Newton's first law does hold is called an Inertial reference frame. A bus which puts on its breaks, and the passengers are thrown toward the front of the bus is a non-inertial reference frame. To a very good approxi ...
JDoranLtalkV2
... • v is the velocity we are looking for. • u = 0.58c = the velocity of the spaceship • v' = -0.69c = the velocity of the rocket in the reference frame of the star cruiser • v = (v' + u) / (1 + v'u/c2) • v = (0.58c - 0.69c) / (1 + (0.58c)(0.69c)/c2) • v = -0.11c/0.5998 = -0.18c • Compared to –0.11c ...
... • v is the velocity we are looking for. • u = 0.58c = the velocity of the spaceship • v' = -0.69c = the velocity of the rocket in the reference frame of the star cruiser • v = (v' + u) / (1 + v'u/c2) • v = (0.58c - 0.69c) / (1 + (0.58c)(0.69c)/c2) • v = -0.11c/0.5998 = -0.18c • Compared to –0.11c ...
Chapter 26 – Relativity
... Postulate 1: The laws of physics are the same in all inertial reference frames (the principle of relativity). An inertial reference frame is one in which no accelerations are observed in the absence of external forces. (Recall Newton’s first law). ...
... Postulate 1: The laws of physics are the same in all inertial reference frames (the principle of relativity). An inertial reference frame is one in which no accelerations are observed in the absence of external forces. (Recall Newton’s first law). ...
JKeehnLtalk
... • v is the velocity we are looking for. • u = 0.58c = the velocity of the spaceship • v' = -0.69c = the velocity of the rocket in the reference frame of the star cruiser • v = (v' + u) / (1 + v'u/c2) • v = (0.58c - 0.69c) / (1 + (0.58c)(0.69c)/c2) • v = -0.11c/0.5998 = -0.18c • Compared to –0.11c ...
... • v is the velocity we are looking for. • u = 0.58c = the velocity of the spaceship • v' = -0.69c = the velocity of the rocket in the reference frame of the star cruiser • v = (v' + u) / (1 + v'u/c2) • v = (0.58c - 0.69c) / (1 + (0.58c)(0.69c)/c2) • v = -0.11c/0.5998 = -0.18c • Compared to –0.11c ...
Problem Set 16
... your reference frame at the instant you are exactly halfway between them. Do you see the flashes simultaneously? If not, which do you see first, and what is the time difference between the two? The key phrase in the question is the stars explode at the same time in your reference frame (in the space ...
... your reference frame at the instant you are exactly halfway between them. Do you see the flashes simultaneously? If not, which do you see first, and what is the time difference between the two? The key phrase in the question is the stars explode at the same time in your reference frame (in the space ...
March 7, 2011
... the laws of physics cannot provide a way to distinguish one inertial reference frame from another. • Although the laws of physics are the same in every frame, measured quantities (like the time between events A and B, the distance measured between two points, even the force) will not be the same. ...
... the laws of physics cannot provide a way to distinguish one inertial reference frame from another. • Although the laws of physics are the same in every frame, measured quantities (like the time between events A and B, the distance measured between two points, even the force) will not be the same. ...
Test 2
... 2. Identifying the force (indicate the object, the source and the type of each force), draw the free body diagram for a) a van parked on a hill b) a bucket hanging under a helicopter moving with constant velocity. (Make sure that the net force is consistent with the indicated motion.) 3. Consider a ...
... 2. Identifying the force (indicate the object, the source and the type of each force), draw the free body diagram for a) a van parked on a hill b) a bucket hanging under a helicopter moving with constant velocity. (Make sure that the net force is consistent with the indicated motion.) 3. Consider a ...
Lecture 8, PPT version
... BUT: time is running more slowly on the railway car, so the force felt by the brick on the car lasts for less time than for the brick on the railway platform (say, 1 billionth of a second versus 2 billionths of a second)! ...
... BUT: time is running more slowly on the railway car, so the force felt by the brick on the car lasts for less time than for the brick on the railway platform (say, 1 billionth of a second versus 2 billionths of a second)! ...
PPTX - University of Toronto Physics
... thing as “force of gravity”. That is not how Randall Knight uses the word. (I will follow Knight’s definitions.) • In Knight, “weight” means the magnitude of the upward force being used to support an object. • If the object is at rest or moving at a constant velocity relative to the earth, then the ...
... thing as “force of gravity”. That is not how Randall Knight uses the word. (I will follow Knight’s definitions.) • In Knight, “weight” means the magnitude of the upward force being used to support an object. • If the object is at rest or moving at a constant velocity relative to the earth, then the ...
以人为本 深化改革 努力探索实验室开放的新路子
... 4. Assume that the Earth is a sphere and that the force of gravity (mg) points precisely toward the center of the Earth. Taking into account the rotation of the earth about its axis, calculate the angle between the direction of a plumb line and the direction of the Earth’s radius as a function of l ...
... 4. Assume that the Earth is a sphere and that the force of gravity (mg) points precisely toward the center of the Earth. Taking into account the rotation of the earth about its axis, calculate the angle between the direction of a plumb line and the direction of the Earth’s radius as a function of l ...
Reference Frames
... Plate Motion: Plate Specific Reference Frame For plate tectonic studies, scientists sometimes choose to use a specific plate as a fixed reference frame. Because it is surrounded by ridges and moves slowly relative to the hot spot reference frame, Africa is often used in this capacity. Alternatively ...
... Plate Motion: Plate Specific Reference Frame For plate tectonic studies, scientists sometimes choose to use a specific plate as a fixed reference frame. Because it is surrounded by ridges and moves slowly relative to the hot spot reference frame, Africa is often used in this capacity. Alternatively ...
Changing Coordinate Systems
... and so the acceleration is NOT the same. However, we know that the forces are still the same in both frames. Therefore, it cannot be true that Newton’s second law is the same in both frames. If it is true in one, then it cannot be true in the other. The same idea can be examined in the case of the c ...
... and so the acceleration is NOT the same. However, we know that the forces are still the same in both frames. Therefore, it cannot be true that Newton’s second law is the same in both frames. If it is true in one, then it cannot be true in the other. The same idea can be examined in the case of the c ...
Expectations for Ch 2 & 3
... In the above formulas, a can be replaced with g g = 9.8 m/s2 (acceleration on Earth due to gravity when an object is falling) Equation of motion for average velocity: ...
... In the above formulas, a can be replaced with g g = 9.8 m/s2 (acceleration on Earth due to gravity when an object is falling) Equation of motion for average velocity: ...
Special Relativity
... • In 1905, Einstein’s first paper on relativity dealt only with inertial reference frames (constant velocity). • 10 years later, he published a more encompassing theory of relativity that considered accelerated motion and it’s connection to gravity. This was a discussion of “general” relativity. • H ...
... • In 1905, Einstein’s first paper on relativity dealt only with inertial reference frames (constant velocity). • 10 years later, he published a more encompassing theory of relativity that considered accelerated motion and it’s connection to gravity. This was a discussion of “general” relativity. • H ...
Inertial and Non-Inertial Frames of Reference - K
... one pushed it) what is going on? Does this violate Newton’s first law? The laws of physics are deteriorating! ...
... one pushed it) what is going on? Does this violate Newton’s first law? The laws of physics are deteriorating! ...
inertial reference frame - University of Toronto Physics
... • A piano has a mass of 225 kg. 1. What force is required to push the piano upwards at a constant velocity as you lift it into the truck? 2. What force is required to push the piano up a frictionless ramp at a constant velocity into the truck? Assume the ramp is 3.00 m long and the floor of the truc ...
... • A piano has a mass of 225 kg. 1. What force is required to push the piano upwards at a constant velocity as you lift it into the truck? 2. What force is required to push the piano up a frictionless ramp at a constant velocity into the truck? Assume the ramp is 3.00 m long and the floor of the truc ...
Capitolo 1
... geomagnetic North Pole. The axis passing through these two points defines the zaxis of the geomagnetic reference frame. The xaxis of this coordinate system is chosen in such a way that the prime meridian passes through the geographic South Pole. Finally, the yaxis will be also placed in the geoma ...
... geomagnetic North Pole. The axis passing through these two points defines the zaxis of the geomagnetic reference frame. The xaxis of this coordinate system is chosen in such a way that the prime meridian passes through the geographic South Pole. Finally, the yaxis will be also placed in the geoma ...
Forces II
... 6. An ant is walking on a turntable that is rotating clockwise at 5 revolutions per minute (rpm). A coordinate system (x, y) is rotating with the turntable, the origin of which is the center of the turntable, with the x and y-axes pointing radially outward. At time t = 0, this coordinate system ...
... 6. An ant is walking on a turntable that is rotating clockwise at 5 revolutions per minute (rpm). A coordinate system (x, y) is rotating with the turntable, the origin of which is the center of the turntable, with the x and y-axes pointing radially outward. At time t = 0, this coordinate system ...