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The potential for a mass hanging from a spring is V(y)=ky^2/2+mgy, when y=0 corresponds to the position of the spring when nothing is hanging from it. Find the frequency of small oscillators around the equilibrium point.
Forces of 11.0 N norths, 19.5 N east, and 15.90 N south are simultaneously applied to a 3.70 kg mass as it rests on an air table. What is the magnitude of its acceleration.
A simple camera telephoto lens consists of two lenses. The objective lens has a focal length f1 = +44.0 cm. How far behind the concave lens should the film be placed
Suppose a 0.3 kg mass on a spring tha has been compressed 0.10m has elastic potential energy of 1 J. What is the spring constant? Also, how much further must the spring be compressed to triple the elastic potential energy
What is the lenght of the driveway. An electric field = (89000 N/C, right) causes the ball in the figure below to hang at a 20° angle. The ball's mass is 4.7 g. What is the charge on ball.
When 195 g of a substance is heated to 335°C and then plunged into a 100 g aluminum calorimeter cup containing 134 g of water at 13.0°C, What is the specific heat of the substance
An exoplanet of mass 7.4e26 kg orbits its parent star at an angle of inclination of 28.9 degrees. determine the period of the exoplanet in days
A woman is reported to have fallen113ft from a building, landing on a metal ventilator box, which she crushed to a depth of25in. Calculate the time it took to crush the box
Sam (85 kg) takes off up a 50-m-high, 10° frictionless slope on his jet-powered skis. The skis have a thrust of 240 N. He keeps his skis tilted at 10° after becoming airborne. How far does Sam land from the base of the cliff.
two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 448 N and F2 = 350 N. What is the resultant of these two forces
If a person of mass M simply moved forward with speed V, his kinetic energy would be1/2 MV^2. However, in addition to possessing a forward motion, What is the average angular velocity of his arms and legs
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 14.0cm, Find the electric field just inside the paint layer
A plate carries a charge of -3.7 C, while a rod carries a charge of +1.9 C. How many electrons should be transferred from the plate to the rod, so that both objects have the same charge.
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