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Suppose you look through a 3.7 mm thick window comprised of a material whose refractive index is 1.57.
(a) By what time interval is the light you see delayed by having to go through glass instead of air?
(b) By how many wavelengths is it delayed, if its vacuum wavelength is 600 nm?
The electric field midway between two equal but opposite point charges is 745 N/C, What is the magnitude of the charge on each
A room has dimensions of 4.2 m long, 3.5 m wide, and 2.4 m high. What is the weight of the air in the room
What is the breaking strength
Each of the space shuttle's main engines is fed liquid hydrogen by a high-pressure pump. Turbine blades inside the pump rotate at 469 rev/s. A point on one of the blades traces out a circle with a radius of 0.639 m as the blade rotates. What is the m..
A 3.20 kg steel ball strikes a wall with a speed of10.0m/s at an angle of 60.0 degrees with the surface. what is the average force exerted on the ball by the wall
Over a certain region of space, the electric potential is V = 4.2x-3.6x^2y+1.5yz^2. On scratch paper, What is the magnitude of the field at the point P
On a hot summer day, the temperature of air in Arizona reaches 113°F. What is the speed of sound in air at this temperature? (Enter your answer to four significant figures. The speed of sound at 0°C is 331 m/s. Use the conversion 0°C = 273 K as neces..
An empty capacitor is connected to a 11.9-V battery and charged up. The capacitor is then disconnected from the battery, and a slab of dielectric material (κ = 2.2) is inserted between the plates. Find the magnitude of the amount by which the potenti..
An air puck of mass m1 = 0.24 kg is tied to a string and allowed to revolve in a circle of radius R = 1.0 m on a frictionless horizontal table. What is the horizontal force acting on the puck
A 150-lb male athlete is running on a treadmill machine at a speed of 10 mi/hr in a thermally insulated room. How do entropies change in the body of the athlete and in the room
upon what properties of the sound wave do the a loudness b pitch and c quality of a musical note depend? why do the
In a simple series circuit a battery is connected through an ammeter to an electriclamp. A voltmeter is connected parallel to the lamp. The ammeterreads 0.75 A and the voltmeter 50 V. What is the resistance of the lamp neglecting the current drawn..
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