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Question: (a) Using elementary Newtonian mechanics find the period of a mass m1 in a circular orbit of radiusr around a fixed mass m2.
(b) Using the reduced-mass formalism, find the corresponding period for the case that m2 is notfixed and the masses move around their CM being a constant distance r apart. Discuss the limitof this result if m2 >> m1.
(c) What would be the orbital period if the earth were replaced by a star of mass equal to the solarmass, in a circular orbit, with the distance between the sun and star equal to the present earth-sundistance?
A 23.0 {\rm kg} child plays on a swinghaving support ropes that are 2.20 {\rm m} long. How fast will she be moving at the bottom of the swing
What is the magnitude of the acceleration of the ball just before it strikes the ground? Express your answer using two significant figures. What was the initial speed of the ball?
A solid cylinder of diameter 6.52 centimeter and mass 10.28 kilogram is rolling without slipping on a level surface. Evaluate what is its kinetic energy in Joules
A 0.020-kg bullet is shot horizontally and collides with a 1.35-kg block of wood. The bullet embeds in the block, what was the original speed of the bullet
Question 2 for week 4 lab: Using F = qE, F = ma, y = 1/2at^2, and x= v(0) * t, prove, meaning show the work that, y = qEx^2/2mv(0)^2. v(0) is the initial velocity in the x direction entering the plates. Does this formula look familiar? Does the ..
The Gravitron is an amusement park ride in which riders stand against the inner wall of a large spinning steel cylinder.
1. Chameleons use their tongues to catch their prey. Their tongues typically accelerate at 250 m/s2 for up to 20 ms, then they travel at constant speed for a further 30 ms. During this total duration, of acceleration plus constant motion, of 5..
Find the magnitude of the electric field at a point inside the sphere, 0.106 m below the surface.
in the bohr theory of the hydrogen atom an electron moves in a circular orbit about a proton assume the radius of the
a copper block is removed from a 306 oven and dropped into 1.30 of water at 20.5. the water quickly reaches 25.9 and
An aluminum wire having a cross-sectional area equal to 5.10 10-6 m2 carries a current of 3.50 A. Find the drift speed of the electrons in the wire
question a pencil 15.7 cm long is released from a vertical position with the eraser end resting on a table. the eraser
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