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A thin film of oil (n = 1.26)is located on smooth, wet pavement. When viewed from a direction perpendicular to the pavement, the film reflects most strongly redlight at 640 nm and reflects no light at 548 nm. What is the minimum thickness of the oilfilm?
Two boxes sit side by side on a smooth horizontalsurface. The lighter box has a mass of 5.2 kg, Find the contact force between these boxes when ahorizontal force of 5.0 N is applied to the light box
A certain substance has a dielectric constant of 2.8 and a dielectric strength of 18.0 MV/m. If it is used as the dielectric material in a parallel-plate capacitor, what minimum area should the plates of the capacitor have to obtain a capacitance of ..
The lob in tennis is an effective tatic when your opponent is near the net. It consists of lofting the ball over his head, forcing him to move quickly away from the net. With what minimum average speed must he move
Sand from a stationary hopper falls onto a moving conveyor belt at the rate of dm/dt = 5 kg/s as shown. The conveyor belt is supported by frictionless rollers, Find the force of friction exerted by the belt on the sand
A gold prospector finds a solid rock that is composed solely of quartz and gold. The mass and volume of the rock are, Find the mass of the gold in the rock
What is the net force exerted by these two charges on a third charge q_3 = 53.5nC placed between q_1 and q_2 at x_3 = -1.100m
If a iron core of a collapsing star initially spins with a rotational frequency of fo=3.4 per second and the core radius decrease during the collapse by a factor of 24. what is the rotational frequency of the iron core at the end of collapse
A solenoid is 2.0 m long and with an inner radius of 30 cm and 1000 turns of wire. How large does the current does it carry
A spacecraft approaching the earth launches an exploration vehicle. After the launch, an observer on earth sees the spacecraft approaching at a speed of 0.58c and the exploration vehicle approaching at a speed of 0.73c. What is the speed of the explo..
A well-insulated container of negligible heat capacity contains 150g of ice at 0 degrees. If 20g of steam is injected into the container, what is the final equilibrium temperature of the system
Find the work done by this force on the particle.
A block-spring system oscillates with amplitude of 3.70 cm. The spring constant is 250 N/m and the mass of the block is 0.500 kg.
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