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A student holds a laser that emits light of wavelength 633 nm.The beam passes through a pair of slits separated by 0.300 mm, in aglass plate attached to the front of the laser. The beam then fallsperpendicularly on a screen, creating an interference pattern onit. The student begins to walk directly toward the screen at 3.00m/s. The central maximum on the screen is stationary. Find thespeed of the first-order maxima on the screen.
A large tank is filled with methane gas at a concentration of 0.585 kg/m3 The valve of a 1.38-m pipe connecting the tank to the atmosphere is inadvertently left open for fourteen hours. What is the cross-sectional area of the pipe
An He+ ion has one electron , just as a hydrogen atom does , but has two protons in its nucleus instead of just one .Find a formula for the wavelength lambda of an emission line for this ion in terms of the magnitude of the hydrogen ground-state ene..
There is a straight plastic rod that is parallel to the y axis with length L and total charge Q.Point P is placed on the x axis half way down the rod
A ball is thrown from a point 1.0 m above the ground. The initial velocity is 19.8 m/s at an angle of 34.0° above the horizontal. Find the maximum height of the ball above the ground
A 8.90 kg object oscillates at the end of a vertical spring that has a spring constant of 1.95 multiply.gif 104 N/m. Calculate the frequency of the dampened oscillation
A car travels along a road at an average speed of 40km/h andreturns along the same road at an average speed of 60km/h. Calculate the average speed for the round trip
Two uniform solid cylinders each rotating about its central(longitudinal) axis, have the same mass of 4.92 kg and rotate with the same angular speed of 118rad/s, but they differ in radius
question suppose you are stopped for a traffic light and a ambulance approaches you from behind with a speed of 18 ms.
a girl is riding her bicycle. when she gets to a corner she stops to get a drink from her water bottle. at that time a
A 3730.-nF parallel plate capacitor is connected to a 21.4-V battery and charged. What is the charge Q on the positive plate of the capacitor? How much of the electrical energy stored in the 3730.-nF capacitor was transferred to the other three capac..
Can Somone please help me out????A 63.0 m length of insulated copper wire is wound to form a solenoid of radius 2.3 cm. What maximum energy is stored in the inductor
A light bulb is connected to a 120 V wall socket. The current in the bulb depends on the time t according to the relation I = (1.414 A) sin[ (125.6 Hz) t ]. What is the average power delivered to the light bulb
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