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Light of wavelength 624 nm passes through a single slit and then strikes a screen that is 1.2 m from the slit. the third dark band is 0.60 cm from the central maximum. What is the width of the slit?
A 750- car stopped at an intersection is rear-ended by a 1730- truck moving with a speed of 16.0 .If the car was in neutral and its brakes were off, Find the final speed of the car
A cord of length 1.2 m is fixed at both ends. Its mass per unit length is 1.1 g/m and the tension is 11 N. What is the frequency of the fundamental oscillation
Two wires are parallel and one is directly above the other. Each has a length of 50.0 m and a mass per unit length of 0.020 kg/m. However, the tension in the wire A is 6.20 102 N, and the tension in the wire B is 2.90 102 N.
A bicycle is turned upsdie down and has one wheel spinning at 95.0 rpm. The wheel slows uniformly to a stop in 45.0 seconds. What is the angular distance (in rad) traveled during this time
At time t=0 a grinding wheel has an angular velocity of 27.0rad/s, At what time does the wheel stop
A parallel-plate capacitor has plates with an area of 395 cm2 and an air-filled gap between the plates that is 2.29 mm thick. How much energy is stored in the capacitor
A 111g Frisbee is 25cm in diameter and has half its mass spread uniformly in the disk and the other half concentrated in the rim. What is the Frisbee's rotational inertia
Suppose a 7.1 eV electron and a 9.77 eV positron collide, Find the frequency of these new photons
electrons are ejected from a metallic surface with speeds up to 460000 m/s when light of wavelength 650 nm is used. find the work funtion
A proton is shot at 5 × 107 m/s toward a gold atom, with a mass 197 times that of the proton, What is the recoil speed of the gold nucleus
How would you determine the density of an irregularly shaped rock, Is buoyant force a conservative force
An unknown substance has a mass of 0.125 kg and an initial temperature of 77.5°C. calculate the specific heat of the unknown substance
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