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A monochromatic light source emits a wavelength of 490 nm in air. When passing through a liquid, the wavelength reduces to 389 nm. What is the liquid's index of refraction?
assume two cans of differently coloured paint at the same temperature can be mixed together adiabatically. the second law of thermodynamics is simply not relevant to this situation
An emf is induced in a conducting loop of wire 1.11m long as its shape is changed from square to circular.Find the average magnitude of induced emf if the change in shape occurs in 4.03s and the local 0.135-T magnetic field is perpendicular to the ..
A bicycle wheel is rotating at 45 when the cyclist begins to pedal harder, giving the wheel a constant angular acceleration of 0.42.
Coin is placed 14.0 from the axis of the rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on turntable until a rate of 40.0 (revolutions per minute) is reached, at that point the coin s..
In a television set, the power needed to operate the picture tube comes from the secondary of a transformer. Determine the secondary voltage
A Ferris wheel with radius 38m is driven by a motor that exerts a force on the wheel 1m from the center. find the normal force at the bottom of the wheel's trajectory
A catapult launches a test rocket vertically upward from a well, giving the rocket an initial speed of81.0m/sat ground level. What is its velocity just before it hits the ground
A projectile is launched from level ground. When it lands, its direction of motion has rotated clockwise by 60 degrees. What was the launch angle.
You pull a 12 kg sled across the floor with a strap that is at an angle of 31° above the horizontal with a force 76 N. Determine the magnitude of the acceleration of the sled, given that the coefficient of kinetic friction between the suitcase an..
A 6 m board of mass 5 kg is hinged at one end, with a 60 kg block nesting on the board 202 cm from the hinge. Find the force exerted by the hinge at this angle
A 50 kg diver has an angular velocity of 6 rad/s about her medial-lateral axis of rotation when she leaves the board in a layout position, what is her radius of gyration in the tuck positions
A diffraction grating is made up of slits of width 420 nm with separation 1300 nm. How many maxima are there in the full diffraction pattern
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