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At a certain harbor, the tides cause the ocean surface to rise and fall a distance d from highest level to lowest level in simple harmonic motion, with a period of 12.0 hour. Compute how long does it take for the water to fall a distance d/4from its highest level?
(in hours)
a 3 kg cart moving to right with speed of 1ms has a head on collision with a 5 kg cart initially moving to left with
A spherical mirror is to be used to form an image, five times as tall as an object, on a screen positioned 4.2 m from the mirror. Describe the type of mirror required
A cylinder contains 2 moles of an ideal monatomic gas that is initially at state A with a volume of 0.01 m^3 and a pressure of 4.0x10^5 Pa. Is this device a refrigerator or a heat engine
A jet plane lands with a speed of 88 m/s and can accelerate at a maximum rate of -4.40 m/s2 as it comes to rest. What is the actual minimum distance needed to stop the plane
A girl with a mass of 40 kg is swinging from a rope with a length of 3.2 m. What is the frequency of her swinging
You need to design a photodetector that can respond to the entire range of visible light. What is the maximum possible work function of the cathode
two positive point charges each 16 uc micro coulombs lie along the x-axis at x -0.12m and x 0.12m. find the electric
It is necessary to determine the specific heat of an unknown object. The mass of the object is 170.0 g. Find the specific heat of the object
A starship blasts past the earth at 2.0\times 10^8\;{\rm{ {\rm m}/{\rm s}}}. With what speed does the laser beam approach the earth
Compute the distance of two point's p1 and p2 in the x-y plane with the following Cartesian coordinates: p1= (-5m, +8m), p2= (+3m, +2m). Draw the position vectors into appropriate-points.
A satellite has a mass of 6000 kg and is in a circular orbit 4.10 x 105 m above the surface of a planet. What is the true weight of the satellite when it is at rest on the planet's surface
A sled weighs 100 N. It is held in place on a frictionless 20 degree slope by a rope attached to a stake at the top of the slope; What is the normal force acting on the sled
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