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In an experiment designed to measure the speed of light, a laser isaimed at a mirror that is 59.0 km due north. A detector is placed138 m due east of the laser. The mirror is to be aligned so that light from the laser refelects into the detector. (a) When properly aligned, what angle should thenormal to the surface of the mirror make with due south? (b) Suppose the mirror is misaligned, so that the actual angle between the normal to the surface and due south is toolarge by 0.0050°. By how many meters (due east) will the reflected ray miss the detector?
An object with mass 4.0 kg is attachedto a spring with spring stiffness constant k =300 N/m and is executing simpleharmonic motion. When the object is 0.020 m from its equilibriumposition, it is moving with a speed of 0.55 m/s.
Judy (mass 45.0 kg), standing on slippery ice, catches her leaping dog, Use the conservation of momentum to find the speed of Judy and her dog after the catch
A square is 1.0 m on a side. Charges of +4.0 uC are placed in twodiagonally opposite corners. In the other two corners are placed charges of +3.0 uC and -3.0 uC. What is the absolute potential in the square's center?
Which one of the following statements concerning spherical mirrors is correct?
The electric field just above the surface of the charged hollow drum of a photocopying machine has a magnitude E of3.0E+5 N/C. What is the surface charge density on thedrum if it is a conductor?
dangerous dan a scottish bricklayer throws a brick as hard as he can at 100 ms srraight up in the air. what is the
The interaction of a typical car’s tires with the road (i.e. the “grip” of the tires) can provide a “lateral” acceleration (i.e. perpendicular to the direction the car is moving) of approximately 0.8 g’s (Some sports cars can get close to 1.0 g).
An isolated conductor of arbitrary shape has a net charge of +1.20×10-5 C. Inside the conductor is a cavity within which is a point charge q = +3.60×10-6 C.
A satellite is in orbit 4.2*10^7 m from the center of Earth with a speed of 7,800 m/s. what is the mass of the satellite
When in orbit, a communication satellite attracts the earthwith a force of 19.0 kN, Find the satellite's altitude above the earth's surface
At what angle must the cannon be fired
An object at rest on a flat, horizontal surface explodes into two fragments, one seven times as massive as the other. How far does the lighter fragment slide
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