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Consider the given table: a ball is fired from one of the foci with a velocity of 5m/s, at an angle 30* with the major axis of the elliptical table.
The question:When does it again return to the same point as which it was fired from, for the very first time??? (does it ever).
Assume the major axis of the ellipse to be 10 meters, and its eccentricity is .8.Assume all collisions to be completely elastic. THE DIAGRAM IS IN THE LINK
at what temperature will aluminum have a resistivity that is three times the resistivity of iron at room temperature?
A nut is held in the jaws of a pair of pliers. The nut is 25 mm from the pivot of the pliers and a force of 10 N is applied to each handle 150 mm from the pivot
What is the magnitude of the electric field due to a 6.0 x 10-9 C charge points located at 0.025m from the charge
A 1.10 liter flask contains a certain quantity of ideal gas at 320 K. Then an equal number of molecules of the same gas is added to the flask, after which the absolute pressure is 1.35 times its original value. Define is the final temperature?
1. the magnetic domains that become aligned in the iron core contribute to the overall magnetic field of the coil and
a 40 figure skater is spinning on the toes of her skates at 0.60 . her arms are outstretched as far as they will go. in
He is sitting on a set of bathroom scales. He notes that scales show four times his normal weight. What is the radius of the loop, in meters.
A ship moves through the water with two forces acting on it. If it starts from rest calculate how far will it move in 10 sec
A 1430-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate hangs from the far end of the beam. Using the data shown in the figure, find (a) the magnitude of the tension in the wire and..
q1. a 52.0 skateboarder wants to just make it to the upper edge of a quarter pipe a track that is one-quarter of a
problem1.the mass attenuation coefficient for concrete density r 2.35 gcm3 for 600 kev photons is 0.08 cm2g.a what is
A dentist's drill starts from rest. After 2.90 s of constant angular acceleration it turns at a rate of 2.2 104 rev/min. Find the drill's angular acceleration
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