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A converging lens with a diameter of 30.0 cm forms an image of a satellite passing overhead. The satellite has two green lights (wavelength 500 nm) spaced 1.24 m apart. If the lights can just be resolved according to the Rayleigh criterion, what is the altitude of the satellite?
h=_____ m
A 10.00kg box on a smooth, frictionless, horizontal surface experiences a downward force of 30n at an angle of 40 degrees to the horizontal. The box moves 1.50 m to the right. What was the work done by gravity.
It position is xo>0 and i give it a kick so that it moves back towards the origin and executed simple harmonic motion with amplitude 2xo. Find out its position as a fuction of time in the forum of x(t)=acos(wt-&)
A metal rod 6.00 m long is held in a horizontal position. what is the torque exerted on the rod by the tension in the rope
A toy spacecraft is launched directly upward. When toy reaches its highest point, a spring is released and the toy splits into two parts with masses of .c2 kg and .08 kg.
A .115 kg mass undergoes simple harmonic motion on a horizontal spring with force constant k= 287 N/m. estimate the amplitude of the motion
What is the speed of each ball as it strikes the ground? How far apart are the balls 0.700 s after they are thrown.
Two positive point charges, each 17? C, lie along the x-axis at x = –0.12m and x = +0.12m.
find friction force that acts on the bear.
The period of the moon (the time for a complete revolution) is 27.32 days, Determine the angular velocity of the moon
Coherent light with wavelength 546 nm passes through two very narrow slits, and the interference pattern is observed on a screen the distance of 3.00 {rm m} from the slits. The first-order bright fringe is a distance of 4.86 {rm mm} from the center o..
A student (m= 75 kg) falls freely from rest and strikes the ground. throughout the collision with ground, he comes to rest in a time of 0.040 s. the average force exerted on him by the ground is +18 000 N.
Two bars of identical mass are at 32 °C. One is made from glass and the other from another substance. The specific heat capacity of glass is 840 J/(kg · C°).
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