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1.a) To determine the force acting on each mass it was assumed that g = 9.80 m/sec2. The value of g at the place where the experiment is performed may be slightly different from that value. State what effect (if any) it would have on the percentage error calculated for the comparisons. To test your answer to the question, leave g as a symbol in the calculation of the percentage error.
b) Suppose the same masses are used for a force table experiment as were used in Part 1, but each pulley is moved 180° so that the 0.100 kg mass acts at 200°, and the 0.200 kg mass acts at 270°. What is the magnitude of the resultant in this case?
If this radiation is directed at a crystal, the first-order maximum in the reflected radiation occurs when the angle of incidence is 2.17o. What is the spacing between reflecting planes in the crystal
a ball is tossed into the air at a speed of 64.0 m/s at an unknown angle. If the ball is observed to rise to a maximum height of 7.80 m, elucidate at what angle was the ball thrown relative to the ground?
How much work is required to compress 5.05 mol of air at 19.1°C and 1.00 atm to one-eighth of the original volume by an isothermal process
An electric dipole has opposite charges of 5 x10^15 C separated by a distance of 0.4mm. find the potential energy of the dipole in the given position
A glass window pane is exactly 20 cm by 36 cm at 10oC. By how much has its area increased as it temperature is 33oC, assuming that it can expand freely? Take the coefficient of thermal expansion for the glass to be exactly 9 x 10-6/Co.
A grade school student plans to build a 31-power telescope as a science fair project. She starts with a magnifying glass with a focal length of 4.8cm as the eyepiece
A loudspeaker is placed between two observers who are 120 m apart, along line connecting them. If one observer records a sound level of 52.8 dB and the other records a sound level of 83.5 dB, how far is the speaker from each observer? Enter the longe..
The electric field within the membrane separating the inside and outside of a biological cell is approximately 7.7MV/m, what is the potential difference across the membrane
A skater has rotational inertia 4.2 kg?m2 with his fists held to his chest and 5.7 kg?m2 with his arms outstretched. how fast will he be spinning
An ambulance driver traveling at 33.0 m/s honks his horn as he sees a motorist ahead on the highway, Calculate the proper frequency of the ambulance's horn
A 253 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal.
At a certain location, the Earth's magnetic field has a magnitude of 6.2×10?5T, Find the magnitude of the magnetic flux through the top of a desk at this location that measures 130cm by 72cm
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