Potential Energy - McMaster Physics and Astronomy
... The total momentum of a system of particles is the vector sum of the momenta of the individual particles: ptotal = p1 + p2 + ... = m1v1 + m2v2 + ... Since we are adding vectors, we can break this up into components so that: ...
... The total momentum of a system of particles is the vector sum of the momenta of the individual particles: ptotal = p1 + p2 + ... = m1v1 + m2v2 + ... Since we are adding vectors, we can break this up into components so that: ...
Lecture-14-10
... Power output of the Crab pulsar •Power output of the Crab pulsar, in radio and X-rays, is about 6 x 1031 W (which is about 150,000 times the power output of our sun). Since the pulsar is out of nuclear fuel, where does all this energy come from ? • The angular speed of the pulsar, and so the rotati ...
... Power output of the Crab pulsar •Power output of the Crab pulsar, in radio and X-rays, is about 6 x 1031 W (which is about 150,000 times the power output of our sun). Since the pulsar is out of nuclear fuel, where does all this energy come from ? • The angular speed of the pulsar, and so the rotati ...
The Measurement of Mass
... of oscillation as a function of mass. Although this table is not an algebraic equation, it nevertheless acts as a functional relationship between period and mass. Plotting the points of this table gives a graph of this functional relationship when we connect the points in the graph by a smooth curve ...
... of oscillation as a function of mass. Although this table is not an algebraic equation, it nevertheless acts as a functional relationship between period and mass. Plotting the points of this table gives a graph of this functional relationship when we connect the points in the graph by a smooth curve ...
1. Which of the following statements are true about momentum? a. T
... 4. Which of the following objects have momentum? Include all that apply. a. An electron is orbiting the nucleus of an atom. b. A UPS truck is stopped in front of the school building. c. A Yugo (a compact car) is moving with a constant speed. d. A small flea walking with constant speed across Fido's ...
... 4. Which of the following objects have momentum? Include all that apply. a. An electron is orbiting the nucleus of an atom. b. A UPS truck is stopped in front of the school building. c. A Yugo (a compact car) is moving with a constant speed. d. A small flea walking with constant speed across Fido's ...
Category 2 Jeopardy Review
... A. There is no unbalanced force acting on Earth because space is empty and nothing touches Earth. B. The gravitational force pulling Earth toward the sun is equal and opposite to the force pulling the sun toward Earth, so there is no unbalanced force acting on Earth. C. The sun moves in an elliptica ...
... A. There is no unbalanced force acting on Earth because space is empty and nothing touches Earth. B. The gravitational force pulling Earth toward the sun is equal and opposite to the force pulling the sun toward Earth, so there is no unbalanced force acting on Earth. C. The sun moves in an elliptica ...
Simple Harmonic Motion
... behaves like a spring with constant 5.00 × 106 N/m and is compressed 3.16 cm as the car is brought to rest. What was the speed of the car before impact, assuming that no energy is lost in the collision with the wall? 6. The frequency of vibration of an object–spring system is 5.00 Hz when a 4.00-g m ...
... behaves like a spring with constant 5.00 × 106 N/m and is compressed 3.16 cm as the car is brought to rest. What was the speed of the car before impact, assuming that no energy is lost in the collision with the wall? 6. The frequency of vibration of an object–spring system is 5.00 Hz when a 4.00-g m ...
Set 5
... 6) The principal moments of inertia of a uniform plate are I1, I2>I1, and I3=I1+I2. Choose a coordinate system with the origin at the cm of the plate. The plate rotates with an angular velocity ω about an axis that makes an angle α with the plane of the plate such that at time t=0, ω1(t=0)=ωcos α, ...
... 6) The principal moments of inertia of a uniform plate are I1, I2>I1, and I3=I1+I2. Choose a coordinate system with the origin at the cm of the plate. The plate rotates with an angular velocity ω about an axis that makes an angle α with the plane of the plate such that at time t=0, ω1(t=0)=ωcos α, ...
Newton`s Second Law
... The goal of this experiment is to investigate the relationship between force, mass and acceleration. You will be verifying a powerful physical law well known as Newton's second law. F = ma You will also be comparing the gravitational mass of an object with its inertial mass. Where: m=W/g (gravitati ...
... The goal of this experiment is to investigate the relationship between force, mass and acceleration. You will be verifying a powerful physical law well known as Newton's second law. F = ma You will also be comparing the gravitational mass of an object with its inertial mass. Where: m=W/g (gravitati ...
Chapter_6_In-class_problems_(section_by_section_notes)
... 6. In the previous problem, it is assumed that the pilot’s head was constantly pointing inward, towards the center of the circle. This is much more safe than a circular loop where the pilots head points out of the circle. Explain why? ...
... 6. In the previous problem, it is assumed that the pilot’s head was constantly pointing inward, towards the center of the circle. This is much more safe than a circular loop where the pilots head points out of the circle. Explain why? ...
True or False
... 17. Explain why a projectile launched horizontally will hit the ground in the same amount of time as an object that is dropped from the same height. 18. Are there any horizontal forces acting on a projectile after it is in the air? If so, what force? 19. Are there any vertical forces acting on a pr ...
... 17. Explain why a projectile launched horizontally will hit the ground in the same amount of time as an object that is dropped from the same height. 18. Are there any horizontal forces acting on a projectile after it is in the air? If so, what force? 19. Are there any vertical forces acting on a pr ...
Please tear off this top page carefully (only the top page!!!). The
... During the bounce, the first ball is in contact with the ground for twice as long as the second. The average force exerted by the ground is twice as much for the first ball than the second. a. True b. False 7. Newton’s cradle is a toy with five steel balls suspended vertically by strings in a single ...
... During the bounce, the first ball is in contact with the ground for twice as long as the second. The average force exerted by the ground is twice as much for the first ball than the second. a. True b. False 7. Newton’s cradle is a toy with five steel balls suspended vertically by strings in a single ...
Lecture 2 Newton`s laws of motion
... Momentum is also a vector quantity that has the same direction as that of the velocity. Newton's First Law of Motion (Law of Inertia) Every object continues in its state of rest or uniform motion unless made to change by a non-zero net force The inertia of an object is its tendency to resist changes ...
... Momentum is also a vector quantity that has the same direction as that of the velocity. Newton's First Law of Motion (Law of Inertia) Every object continues in its state of rest or uniform motion unless made to change by a non-zero net force The inertia of an object is its tendency to resist changes ...
TORQUE AND ANGULAR MOMENTUM 73. (11.3) Angular
... Consider the part on the beam to the right of point A. It is in equilibrium, therefore the internal torque balances the all external torques applied to the beam. Hence the problem requires to find the (z-component of) torque about point A of the (external) forces to the right of point A. Between poi ...
... Consider the part on the beam to the right of point A. It is in equilibrium, therefore the internal torque balances the all external torques applied to the beam. Hence the problem requires to find the (z-component of) torque about point A of the (external) forces to the right of point A. Between poi ...
End of Chapter Answers - Chapters 9-11
... 14. As a roller coaster moves up a hill, it gains potential energy of a car. By increasing potential energy but loses kinetic energy. As a the distance, d, the force, F, is reduced. roller coaster moves down, the potential energy 26. a. No work is done because the net is transferred to kinetic energ ...
... 14. As a roller coaster moves up a hill, it gains potential energy of a car. By increasing potential energy but loses kinetic energy. As a the distance, d, the force, F, is reduced. roller coaster moves down, the potential energy 26. a. No work is done because the net is transferred to kinetic energ ...