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A sheet of glass is coated with a 495-nm-thick layer of oil (n = 1.42).
1- what visible wavelengths of light do the reflected waves interfere constructively?
2- what visible wavelengths of light do the reflected waves interfere destructively?
3- What is the color of reflected light? ( Yellow, Green-blue, Red, or Orange)
4- What is the color of the most part of transmitted light? ( Orange, Redm, Blue, or Yellowish green)
A Toyota Prius driving north at 61 and a VW Passat driving south at 42 are on the same road heading toward each other.
The magnitude of the acceleration due to gravity
Establish the average net force
A physics student standing on level ground finds that an imaginary line drawn from his eye to the top of a tree, If his eyes are 5.8 feet above ground, what is the height of the tree
The bullet becomes embedded in the block. If the bullet-block system compresses the spring by a maximum of 88.0 cm, illustrate what was the speed of the bullet at impact with the block?
A 7.50 nC charge is located 1.80 m from a 4.20 nC charge. (a)Find the magnitude of the electric force that one particle exerts on the other. (b) Is the force attractive or repulsive?
An airplane travelling 1001 m above the ocean at 125km/hr is to drop a box of supplies to shipwrecked victims below. How various seconds (t) before being dropped directly overhead should the box be dropped.
A 53 kg woman and a 80 kg man stand 13 m apart on frictionless ice. If they hold on to two ends of a rope, and the man pulls on the rope so that he moves 3m, how far from the woman will he be now.
A car is being pulled out of the mud by two forces that are applied by the two ropes. The dashed line in the drawing bisects the 30.0° angle.
A cork on the surface of a pond bobs up and down two times per second on ripples having a wavelength of8.20cm. If the cork is10.5m from shore, how long does it take a ripple passing the cork to reach the shore?
A 48 kg skier starts from rest at a height of H = 27 m above the end of the ski-jump ramp. As the skier leaves the ramp, his velocity makes an angle of 28° with the horizontal. avoid the effects of air resistance and assume the ramp is frictionles..
A 82 kg diver steps off a 12 m tower and drops from rest straight down into the water. If he comes to rest 4.0 m beneath the surface, find out the average resistance force exerted on him by the water.
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