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In a Young's double-slit experiment the separation distance y between the second-order bright fringe and the central bright fringe on a flat screen is 0.0169 m, when the light has a wavelength of 425 nm. Assume that the angles are small enough so that sin is approximately equal to tan. Find the separation y when the light has a wavelength of 598 nm.
The radius of a typical human eardrum is about 4.0 mm. Find the energy per second received by an eardrum when it listens to sound that is at the threshold of hearing. Find the energy per second received by an eardrum when it listens to sound that is..
Explain how much work is used to raise A to height h? What happens to the kinetic energy of B if its speed is doubled?
A bird is launched at a speed of 25 meters per second at an angle of 29(deg) to horizontal from a height of 1.3m above the ground, write the velocity vector in component form
A racecar travelling at a constant speed turns in a circle with a radius of 10 m. what is the racecar's speed
An injured monkey sits perched on a tree branch 3.0 m above the ground, while a wildlife veterinarian is kneeling down in the bushes 88.5 m away attempting to subdue the monkey with a tranquilizer gun.
point a is at position 4j -3kcm. point b is at position -3cm k. point c is at position 3i -2j 5k cm. point d is at
A spherical balloon of volume 4.03 x10^3 cm3 contains helium at the pressure of 1.15 x10^5 Pa. How various moles of helium are in the balloon if the average kinetic energy of the helium atoms is 3.60 x10-22 J.
q1. a 73 trampoline artist jumps vertically upward from the top of a platform with a speed of 4.0. if the trampoline
A 66-N ? m torque acts on a wheel with a moment of inertia 175 kg ? m2. If the wheel starts from rest, how long will it take the wheel to make one revolution
A 75-kg person sits on a 3.7-kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.5 cm in diameter. Find out the pressure exerted on the floor by each leg of the chair; assume the weight is evenly distributed.
Two stones are thrown vertically upward from the ground, one with three times the initial speed of the other. how high (in terms of H) will the faster stone go
the magnetic field 7.5 cm directly above the center of a 25 turn coil of radius 15cm is 0.80 mT. Find the current in the coil
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