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In a double-slit experiment the distance among slits is5.4 mm and the slits are 1.6 m from the screen. Two interference patterns can be seen on the screen: one due to light with wavelength 450 nm, and the other due to light by wavelength 655 nm. What is the separation on the screen among the third-order (m = 3) bright fringes of the two interference patterns in meters?
Assume the car is moving at 72 km/hr when the brake pedal is applied. Assume that the radius of the wheel is 15 cm. What is the maximum power.
An 80 centimeter long wire is made by welding a 2.30 mm diameter, 20 centimeter long copper wire to a 2.30 mm diameter, 60 centimeter long iron wire. Determine the resistance of the composite wire in milliohm
What is the instantaneous power, at a time of 0.00700 seconds, dissipated by a 200 ohm resistor in a resonant AC circuit powered by a generator with a 21.0 V highest potential difference operating at 5000 rad/s .
From point B, the ball was in the air 2.0 seconds and traveled a horizontial distance of 16.2 meters before hitting the ground. Illustrate with what velocity did the ball leave her hand at point B?
a laser having an internal loss per round-trip of 0.015 when pumped at three times threshold has an output power of 4w.
Two toy locomotives approach each other along the same line, and upon collision both stop dead still. What is the mass of the slower locomotive
The radius of the moon is 1.74 × 106 m, the radius of the sun is 6.96 × 108 m, the average moon-earth distance is 3.84 × 108 m, and the average sun-earth distance is 1.496 × 1011 m. What is the apparent angle the diameter of the moon subtends, ..
A 120 granite cube slides down a 45 frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 210 steel cube at rest.
A typical household uses 500 kwh (kilo-watt-hours note: the kwh works out to be units of energy if you think about it) of energy in one month. Find how much mass is converted to produce this
A solenoid 24.0cm long and with a cross-sectional area of 0.600cm^2 contains 420 turns of wire and carries a current of 75.0 A. Calculate the magnetic field in the solenoid
an green hoop with mass mh 2.7 kg and radius rh 0.14 m hangs from a string that goes over a blue soliddiskpulley with
A tow truck is pulling a car out of a ditch by means of a steelcable (Y = 2.0 x 1011 N/m2) that is9.32 m long and has a radius of 0.396 cm. How much has the cable stretched
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