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We wish to coat a flat slab of glass (n = 1.50) with a transparent material (n = 1.25) and illuminate with light of wavelength 600 nm (in vacuum). For what minimum thickness of the coating will the light be (a) reflected back to the observer and (b) transmitted during the glass (i.e. no reflection back to the observer)? [Note: t = 0 is not an answer for (b)].
Find the fundamental frequency and second harmonic if the tension in the wire is increased to 112 N. (Assume the wire doesn't stretch or break.
A solid, uniform ball roll without slipping up a hill as shown. Initially, at the bottom of the hill, the ball has a linear speed of 25.0 m/s. How far from the foot of the cliff does the ball land
A person is riding a bicycle, and its wheels have an angular velocity of 16.1 rad/s. Then, the brakes are applied and the bike is brought to a uniform stop. During braking, the angular displacement of each wheel is 18.4 revolutions.
Two electrodes are placed in a calcium chloride solution and a potential difference is maintained between them. what is the current in the solution
A concave mirror and a plane mirror (f = 6.70 cm) are facing each other and are separated by a distance of 20.0 cm. An object is placed 11.0 cm in front of the plane mirror. Consider the light from the object that reflects first from the plane mirror..
if a van de graff generator has an electric potential of 169 kv and a diameter of 18.9 cm find how many more protons
a parallel-plate capacitor has plates with an area of 1.3times10-2m2 and a separation of 0.83mm. the space between the
A 2.63g aluminum bullet at 31.9 degrees C is fired at a speed of 204 m/s into a large block of ice at 0 degrees C, in which it embeds itself. What quantity of ice melts
A tourist takes a picture of a mountain 14 km away using a camera that has a lens with a focal length of 50 mm, What is the ratio of the height of the mountain's image on the camera's image
At what height h above the Earth will a satellite moving in a circular orbit have half the period of the Earth's rotation about its own axis?
q1. an important news announcement is trans- mitted by radio waves to people who are 122 km away sitting next to their
The graphite in a pencil has a resistivity of7.84×10−6 W×m.The graphite's diameter is 0.700 mm and its length is40.0 mm. (a) Find the resistance of this graphite "wire."
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