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Q1. A fish and a sailor look at each other through a 5cm thick glass porthole in a submarine. There happens to be a small air bubble right in the center of the glass. How far behind the surface of the glass does the air bubble appear the fish? And to the sailor? The index of refraction of air is 1, the index of glass 1.55 and the index of water 1.33. Characterize the air bubble as a point source.
Q2. A diffraction grating with 400,000 lines per meter is illuminated by 0.50[μm] yellow light. What is the angular separation between second and third bright spots (on the same side of the central ray)?
An elastic cord is 66 cm long when a weight of 66 N hangs from it but is 86 cm long when a weight of 76 N hangs from it. What is the "spring" constant k of the elastic cord.
Write down the expression for net torque
A car of mass = 1400 travelling at 60.0 enters a banked turn covered with ice. The road is banked at an angle, and there is no friction between the road and the car's tires. Use = 9.80 throughout this problem.
An object at rest explodes into three pieces of equal masses. One moves east at 23 m/s, while the second piece moves northwest at 14 meter per second. Find the velocity of the third piece?
Presume you carry a bag of groceries weighing 148 N from your car to the kitchen, a distance of 59m, without raising or lowering the bag.
Find out the vertical component of the reaction force
What is corresponding free energy change
Find graphically magnitude and direction of resultant force
A cart of mass M = 1.2 kg can roll without friction on a level track. A light string draped over a light, frictionless pulley connects the cart to a hanger with mass m = 0.5 kg. The cart is released from rest, allowing it to roll, pulled by falling h..
An m=8.25 Kg mass is suspended on a string that is pulled upward by the force of F=83.3 N. If the upward velocity of the mass is 3.25 m/s right now, what is the velocity 5.50 s later.
What is Newtons Version of Keplers Third Law
To demonstrate the tremendous acceleration of a top fuel drag racer, you attempt to run your car into the back of a dragster that is "burning out" at red light before the start of a race. (Burning out means spinning the tires at high speed to heat..
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