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In an experiment designed to measure the speed of light, a laser is aimed 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 reflects into the detector.(a) When properly aligned, what angle must the normal to the surface of the mirror make with due south? (b) Assume the mirror is misaligned, thus that the actual angle among the normal to the surface and due south is also large by 0.0050°. By how many meters (due east) will the reflected ray miss the detector?
You drive on Interstate 10 from San Antonio to Houston, half the time at 51 km/h and the other half at 98 km/h. What is your average speed from Houston back to San Antonio
A man lifts a 2.7-kg stone vertically with his hand at a constant upward acceleration of 1.7 m/s2. What is the magnitude of the total force of the stone on the man's hand
The average coefficient of volume expansion for carbon tetrachloride is 5.81 × 10-4 (°C)-1. The average coefficient of linear expansion for steel is 11 × 10-6 (°C)-1. If a 50 gallon steel container is filled completely with carbon tetrachloride when ..
If the free end of the string is held in place and the hoop is released from rest , calculate the angular speed of the rotating hoop after it has descended 0.750m
during a process 10j o work are performed on a system while the system itself gives off 5j of heat. the internal energy
If you are in a car accident with an initial speed of 119 km/h and you are stopped by an airbag that inflates from the dashboard, over what distance should the airbag stop you for you to survive the crash.
The motor of a table saw is rotating 3450 rev/min. A pulley attached to the motor shaft drives a second puller of half the diameter by means of a V-belt. Compute the radial acceleration of points on the outer edge of the blade
A 5.0 ice cube at -20 is in a rigid, sealed container from which all the air has been evacuated. How much heat is required to change this ice cube into steam
What is the acceleration of a projectile when it reaches its highest point? what is its acceleration just before and just after this point
you produce an image of the sun on a screen using a thin lens whose focal length is 23.0 cm. what is the diameter of
A ball is dropped from height of 20 m above the surface of water in a lake. The refractive index of water is 4 / 3. A fish inside the lake, in the line of fall of the ball, is looking at the ball. At an instant, when the ball is 12.8 m above the wate..
A flight attendant pulls her 63N flight bag a distance of 312m along a level airport floor at a constant velocity. The force she exerts is 39N at the angle of 59° above the horizontal.
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