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A long cylindrical tube of length L, and density ?t, is very slightly weighted on one end so that it floats upright in a fluid having density ?f. Assume the tube is constant density and the slight weighting on one end is very small (negligible), with the only purpose to stablize the cylinder vertically in the fluid. It is pushed down a distance x from its equilibrium position and released.
(a) Show that it will execute simple harmonic motion if the resistive effects of the fluid are neglected, and
(b) determine the period of the oscillation in terms of L, t, and f.
A spring of k=12.00 N/m has a block of mass 11- kg attached to it on a frictionless table. If the block is pulled a distance 0.17m to the right and released from rest, how long would it take the block to return to its equilibrium position? Give yo..
The minimum distance required to stop a car moving at 42.0 mi/h is 39.0 ft. What is the minimum stopping distance for the same car moving at 67.0 mi/h, assuming the similar rate of acceleration.
What is the maximum amount of energy the incident electron can lose in elastically in this collision? What is left over energy of the electron.
What is Newtons Version of Keplers Third Law
A paperweight, when weighed in air, has a weight of W = 7.4N. When completely immersed in water, though, it has a weight of Win water = 4.40 N. Find the volume of the paperweight.
A rectangular block of ice 12 m on each side and 1.3 m thick floats in sea water. The density of the sea water is 1025-kg/m3. The density of ice is 917 kg/m3. How many penguins of mass 26 kg each can stand on the ice block before they get their fe..
A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.6 m/s. Two seconds later the bicyclist hops on his bike and accelerates at 2.2 m/s2 until he catches his friend.
A 3-kg steel ball strikes a wall with a speed of 13-m/s at an angle of 60.0° with the surface. It bounces off with the similar speed and angle. If the ball is in contact with the wall for 0.20s, what is the average force exerted by the wall on the..
A car is travelling at a constant speed of 32m/s on a highway. At the instant this car passes an entrance ramp, a second car enters the highway from ramp.
Inversely proportional to the square of the fields
Illustrate what is the intensity of the beam transmitted through the three sheets when 1 = 19.0°, 2 = 51.0° and 3 = 100.0° ?
Find out a magnitude and direction of the electric field
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