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In an experiment designed to measure the speed of light, a laser isaimed at a mirror that is 59.0 km due north. A detector is placed138 m due east of the laser. The mirror is to be aligned so that light from the laser refelects into the detector. (a) When properly aligned, what angle should the normal to the surface of the mirror make with due south? (b) Suppose the mirror is misaligned, so that the actual angle between the normal to the surface and due south is toolarge by 0.0050°. By how many meters (due east) will thereflected ray miss the detector?
q1. a water-skier is moving at a speed of 14.7 ms. while she skis in the same direction as a travelling wave she
During the the a compact disc (CD) accelerates from rest to a constant rotational speed of 900 rev/min, What is the angular acceleration of the CD
An airplane is flying with a velocity of 90 m/s at an angle of 25 above the horizontal. When the plane is a distance 126 straight above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
Forming an equation.
The cable supporting a 1950 kg elevator has a maximum strength of21920 N. What maximum upwardacceleration can it give the elevator without breaking
A magnetic field has a magnitude of 0.0018 T, and an electric field has a magnitude of 3.4 × 103 N/C. Both fields point in the same direction. find the magnitude of the net force that acts on the charge
A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage to 395 kV. If the upgraded transmission lines have the same resistance, what is the ratio of new line power loss to old
Why do magnetic field lines contract longitudinally and exert a lateral pressure?
A capacitor is made from two 1.0 cm diameter coins separated by a 0.14 mm thick piece of paper (K = 3.7). How much charge is on each coin
A tube is partially and vertically inserted into a container of water. Two sequential resonant frequencies are heard when a 215-Hz tuning is struck and held atop the end of the tube that is out of the water. What is the temperature of the surroundi..
A 10.0microF capacitor and a 5.45mH inductor are connected in series with an open switch. What is the angular frequency of the charge oscillations
A steel beam 10m long is installed in a structure at20oC. What are the beam's changes in length at thetemperature extremes of -30oC to45oC
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