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In an experiment designed to measure the speed of light, a laser is aimed at a mirror that is 47 kilometer due north. A detector is located 103 meter due east of the laser. The mirror is to be aligned so that light from the laser reflects into the detector.
(a) When properly aligned, find what angle should the normal to the surface of the mirror make with due south?
(b) Assume the mirror is misaligned, so that the actual angle between the normal to the surface and due south is too large by 0.0020 degree. Find by how many meters will the reflected ray miss the detector?
A certain elevator cab has a total run of 190 m and a maximum speed of 305 m/min, and it accelerates from rest and then back to rest at 1.22 m/s2. How long does it take to make the nonstop 190 m run, starting and ending at rest
A square loop consists of a single turn with a resistance of 6.00 Ω. The loop has an area of 600 cm2, and has a uniform magnetic field passing through it that is directed out of the page. The loop contains a 12-volt battery, connected as shown in ..
The earth orbits the sun once a year at a distance of 1.50 x 10^11 meter. Venus orbits the sun at a distance of 1.08 x 10^11 meter. Find how long does it take for venus to make one orbit around the sun
to start an avalanche on a mountain slope an artillery shell is fired with an initial velocity of 310 ms at 49.0deg
A small mirror is attached to a vertical wall, and it hangs adistance of 1.59 m above the floor. The mirror is facing dueeast, and a ray of sunlight strikes the mirror early in the morning and then again later in the morning. The incident andrefle..
The hour, minute, and secondhands on a clock are 0.25 , 0.31 , and 0.37 long,respectively. What are the distances traveled by the tips of the hands in a 45 interval
an 30-kg person puts on a life jacket jumps into the water and floats. the jacket has a volume of 3.4 x 10-2 m3 and is
if a plywood box designed to store an unmanned air vehicle has length-width-height dimensions of 3.0 x 2.0 x 1.0 ft and
In each of the following cases, the mass is 32.0 kg and the radius is 7.50 cm. (a) What is the moment of inertia (kg m2) of a solid cylinder rotating about an axis parallel to the symmetry axis but passing through the edge of the cylinder? (b) What i..
A 40 turn circular coil of length 6.2 centimeter produces a magnetic field of magnitude 2.1 mT at its center. Find what is the current in the loop
a 50 kg toy airplane is suspended from the ceiling by a 1.6m cord and rotates in a horizontal circle. If the cord makes an angle of 35 degrees with the vertical, A) Find the speed of the plane B) Find the tension in the cord
A rhinoceros is at the origin of coordinates at time. For the time interval from to, the rhino's average velocity has x-component and y-component. At time what is the y-coordinate of the rhino? At time what is the x-coordinate of the rhino? How far i..
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