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Two microscope slides are stuck together and touching on one side where n=1.2 and wedged open on the other where n=1.5. These slides sit in air. When you shine monochromatic light with a wavelength of 500nm on it, you see 8 dark fringes (it is dark on the ends of the slides).
a. Find the distance d between the slides on the side where it's wedged open.
b. How many fringes are there for the same slide configuration when it sits in water rather than air?
The front 1.20 m of a 1600 kg car is designed as a "crumple zone " that collapses to absorb the shock of a collision. what is the magnitude of the average force on the car
A mass of 5. 0 Kg is resting on a horizontal, frictionless surface. If the system is released from rest with the spring in its relaxed state, what is the maximum extension of the spring
A barge is hauled along a straight-line section of canal by two horses harnessed to tow ropes and walking along the tow paths on either side of the canal. What is the net force on the barge
An AC voltage source, with a peak output of 200V is connected to a 50 ohm resistor. What is the rate of energy dissipated due to heat in the resistor
A rock of mass 33 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 242 N. What is the magnitude of the acceleration of rock.
A mass of 5.10 kg is suspended from a 1.27 m long string. Calculate the angle between the string and the vertical
Two 20 microfarad capacitors are wired in parallel with each other in series with a single 5 ohm resistor. What is the maximum energy stored in the capacitor
what was (a) the negative charge in coulombs on one of them and (b) the positive charge in coulombs on the other.
a projectile is fired with an initial velocity of 35 m/s at an angle of 30 degrees above horizontal of a 30 feet tall building. find the velocity of the projectile at the ground
Your car has stalled and you need to push it. You notice as the car gets going that you need less and less force to keep it going. How much work does the force of gravity do on the ball
A copper rod is fastened securely at both ends to immovable supports. What is the magnitude |?T| of the change in temperature of the rod when it ruptures
How much work is required to pull him 75 m up a 30° slope (assumed frictionless) at a constant speed of 2.1 m/s? Your response differs from the correct answer by more than 10%. Double check your calculations. Illustrate what power must a motor have t..
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