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Two pendulums of equal length l = 0.45 m are suspended from the same point. The pendulum bobs are steel spheres. The first bob has mass 0.25 kg and the second has mass 0.85 kg. The first bob is drawn back to a 35 degree angle with the vertical, and then released such that it swings down and collides with the other bob.
a. To what maximum angle will the second bob rise if the collision was perfectly elastic?
b. If the bobs were made of putty such that they stuck together, to what maximum angle will the combined bobs rise after the collision?
A 3.42 g plastic bead charged to -3.61 nC and a 6.84 g glass bead charged to +7.22 nC are 5.26 cm apart, What is the acceleration (in m/s/s) of the plastic bead
Three long, parallel, straight wires pass through the vertices of an equilateral triangle that has sides L = 11.6 cm, as shown in the figure below. A a dot indicates that the direction of the current is out of the screen and a cross indicates that..
A sudent of mass m = 49 kg wants to measure the mass of a playground merry-go-round, which consists of a solid metal disk of radius R = 1.5 m that is mounted in a horizontal position on a low-friction axle. She tries an experiment:
The figure below shows three charges at the corners of a rectangle of length x = 0.35 m and height y = 0.22 m. How much work must be done to move the three charges infinitely far from one another?
A 1.0mm -diameter, 40cm -long copper wire carries a 3.5A current, What is the potential difference between the ends of the wire
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The isotope shift of spectral lines refers to the shift in wave-lengths (or frequencies) due to the different masses of given ele-ments. Find the isotope shifts for each of the four visible Balmer series wavelengths for deuterium and tritium compared..
A galvanometer with a coil resistance of 14.1 is used with a shunt resistor to make a nondigital ammeter that has an equivalent resistance of 0.755. determine the full-scale current of the galvanometer
You are walking along a small country road one foggy morning and come to an intersection. At what speed is the ambulance traveling
This difference is bounded, i.e., there exists a constant C, independent of time, for which |x2(t) - x1(t)|
A boat is heading upstream when a float is dropped overboard and carried downstream. What is the boats speed in still water
An ice cube is floating at the top of a glass of water. After it melts completely, will the water level rise, fall, or stay the same? Explain your answer.
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