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In an experiment designed to measurethe speed of light, a laser is aimed at a mirror that is 47.0 kmdue north. A detector is placed 120 m due east of the laser. The mirror is to be aligned so that light from the laser refelects intothe detector. (a) When properly aligned, whatangle should the normal to the surface of the mirror make with duesouth? (b) Suppose the mirror is misaligned, sothat the actual angle between the normal to the surface and duesouth is too large by 0.0030°. By how many meters (due east)will the reflected ray miss the detector?
A woman on a rocket traveling at 0.82c (with respect to Earth) observes a meteor come from in front of her and pass her at 0.85c
The planet Jupiter has a satellite, Europa, which travels in an orbit of radius 6.710×108 m with a period of 3.55 days. Calculate the mass of Jupiter from this information
A converging lens is placed 22.0 cm to the right of a diverging lens of focal length 14.0 cm. Calculate the focal length of the converging lens
question1a uniform bar is propped against an extremely slick vertical wall. the force of static friction between upper
An eye has trouble seeing an object closer than 60 cm but needs to see objects at 25 cm from it. find the focal length of a correctly prescribed contact lens
A 150 kg hoop rolls along a horizontal floor so that the hoop's center of mass has speed of 0.180 m/s. How much work must be done on the hoop to stop it.
A river 101.8 m wide flows toward the south at 31.0 m/min. A girl on the west bank wishes to reach the east bank in the least possible time. What is her velocity relative to land
A possible means for making an airplane invisible to radar is to coat the plane with an antireflective polymer. how thick would you make the coating
The index of refraction for red light in water is 1.331 and that for blue light is 1.340. what are the underwater angles of refraction for the blue and red components of the light
A machine part rotates at an angular speed of 0.40 rad/s; its speed is then increased to 2.0 rad/s at an angular acceleration of 0.76 rad/s2
At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 11.1 m until, Find its average acceleration during the turn
Two point charges are located on the y axis, by these two charges on a third charge q3 = 7.50nC located at y3 = 0.350m ? and what is the direction of the net force
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