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In an experiment designed to measure the speed of light, a laser is aimed at a mirror that is 49.0 km due north. A detector is placed105 m due east of the laser. The mirror is to be aligned so thatlight from the laser refelects into the detector.(a) When properly aligned, what angle should the normal to the surface of the mirror make with due south?(b) Suppose the mirror is misaligned, so that theactual angle between the normal to the surface and due south is toolarge by 0.0060°. By how many meters (due east) will thereflected ray miss the detector?
High Speed stroboscopic photographs show that the head of a200 g golf club is traveling at 55 m/s just before it strikes a46g golf ball at rest on a tee. Find the speed of the golf ball just after impact
A crate resting on a rough horizontal floor is to be moved horizontally. The coefficient of static friction is 0.40. find in what direction should the force be applied
A 1.50-cm-diameter parallel-plate capacitor with a spacing of 0.100mm is charged to 100V. What is the total energy stored in the electric field
A 30.0 mL aliquot of a manganese solution (12.5 mg/mL of manganese, FW=59.94) was added to a 100. mL volumetric flask and diluted to the mark with distilled water. At a wavelength of 525 nm, this solution had an absorbance of 0.625 in a 1.000 cm cuve..
find the combined mass of the dog and basket. chandelier with mass is attached to the ceiling of a large concert hall by two cables.
A football punter accelerates a football from rest to a speed of 9 m/s during the time in which his toe is in contact with the ball, what average force does the punter exert on the ball
Preparing to throw baton A in the air, you hold it at the midpoint and give it a twist with your forearm and wrist that applies a torque of 1.4 m·N for a time interval of 0.50 s. What would be the moment of inertia
A 48.9 g ball of copper has a net charge of 3.0 µC. What fraction of the copper's electrons have been removed
a balloon contains 4.20 moles of a monatomic ideal gas. As energy is added to the system by heat, find work Wenv done by the gas in expanding the balloon
The racket is a potential-energy barrier whose height is the energy of the slowest string-breaking ball. Suppose that a 100 g tennis ball traveling at 220mph is just sufficient to break the 2.0-mm-thick strings.
Two parallel plates having charges of equal magnitude but opposite sign are separated by 16.0 cm. Each plate has a surface charge density of 48.0 nC/m2. A proton is released from rest at the positive plate.
a water balloon is launched from ground level with an initial velocity of 12.4 m/s @ 27.0° above the horizontal. Find how high it goes above the launch height
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