Motion and Forces
... Gravitational force is determined by the distance between the two masses. Everything falls at an acceleration of 9.8 m/s2 in the absence of air resistance Gravity is opposed by air resistance ...
... Gravitational force is determined by the distance between the two masses. Everything falls at an acceleration of 9.8 m/s2 in the absence of air resistance Gravity is opposed by air resistance ...
Slide 1
... Your measurement can be even more accurate if you measure how long it takes to travel very short distances of equal length If all the times are the same they must be constant. ...
... Your measurement can be even more accurate if you measure how long it takes to travel very short distances of equal length If all the times are the same they must be constant. ...
Elastic Collisions
... Here, we have three equations in four unknowns, the two final speeds and the two scattering angles. Therefore, we won’t be able to solve for them all. Let’s regard w1 as a variable, and solve for the other three in terms of w1. Let’s solve for θ 1 (leaving θ 2 and w 2 as exercises). We do this in se ...
... Here, we have three equations in four unknowns, the two final speeds and the two scattering angles. Therefore, we won’t be able to solve for them all. Let’s regard w1 as a variable, and solve for the other three in terms of w1. Let’s solve for θ 1 (leaving θ 2 and w 2 as exercises). We do this in se ...
r -2 - TTU Physics
... L = (½)μ (r2 + r2θ2) - U(r) • The Lagrangian is cyclic in θ The corresponding generalized momentum pθ is conserved: pθ (L/θ) = μr2θ; (L/θ) - (d/dt)[(L/θ)]= 0 pθ = 0, pθ = constant = μr2θ • PHYSICS: pθ = μr2θ = The (magnitude of the) angular momentum about an axis to the plane of the m ...
... L = (½)μ (r2 + r2θ2) - U(r) • The Lagrangian is cyclic in θ The corresponding generalized momentum pθ is conserved: pθ (L/θ) = μr2θ; (L/θ) - (d/dt)[(L/θ)]= 0 pθ = 0, pθ = constant = μr2θ • PHYSICS: pθ = μr2θ = The (magnitude of the) angular momentum about an axis to the plane of the m ...
18 Lecture 18: Central forces and angular momentum
... In the previous lecture we learnt about conservative forces in three dimensions. We identified two constants of motion: energy and linear momentum. This allowed us in particular, to reduce the two-body problem in a general potential to an effective problem of one body, with a reduced mass. We are now ...
... In the previous lecture we learnt about conservative forces in three dimensions. We identified two constants of motion: energy and linear momentum. This allowed us in particular, to reduce the two-body problem in a general potential to an effective problem of one body, with a reduced mass. We are now ...
Exam 1 with answer
... 18. If mA = mB and the system is initially at rest, which of the following is true? (a) The system will remain at rest. (b) Mass B is moving down with a constant speed. ← (c) Mass B is moving down with a constant acceleration. (d) Mass B is moving up with a constant speed. (e) Mass B is moving up wi ...
... 18. If mA = mB and the system is initially at rest, which of the following is true? (a) The system will remain at rest. (b) Mass B is moving down with a constant speed. ← (c) Mass B is moving down with a constant acceleration. (d) Mass B is moving up with a constant speed. (e) Mass B is moving up wi ...
AZ ALZAHRANI 1. Units and Measurements The SI unit of the speed
... 18. A car starts its motion from rest and accelerates uniformly with 2.25 m/s2 for 20 s. After that, the car moves with constant speed for 40 sec. What is the total distance covered by the car in the one-minute trip? 2.50 km 250 m 2.25 km 225 m 19. The slope of the displacement-time curve represents ...
... 18. A car starts its motion from rest and accelerates uniformly with 2.25 m/s2 for 20 s. After that, the car moves with constant speed for 40 sec. What is the total distance covered by the car in the one-minute trip? 2.50 km 250 m 2.25 km 225 m 19. The slope of the displacement-time curve represents ...
