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Question: 1. A penny is placed on a record player moving at a constant speed with a period of 1.50 s. If the coefficient of static friction is 0.270, how far from the center of the record can the penny get before it begins to slide?
2. A science spaceship is trying to orbit a small astroid with a mass of 2.56 x 109 kg. If the ship wants to orbit the astroid once every 6.00 hours, how far from the astroid should it be?
at three corners of a rectangle length 11.8 cm height 5.9 cm the following charges are located q1 upper left corner q2
The two plates of a capacitor hold +2350 µC and -2350 µC of charge, correspondingly, when the potential dissimilarity is 910 V. What is the capacitance? Answer in µF
An ambulance traveling at 47 m/s approaches a car heading in the same direction at a speed of 37 m/s. At what frequency does the driver of the car hear the siren
You somehow manage to get a gold ring with inner diameter 2.19 cm stuck on your finger, even though your knuckle has a diameter of 2.2 cm. To what temperature would you have to heat the ring
One generator uses a magnetic field of 0.15 T and has a coil area per turn of 0.050 m2. What magnetic field should be used in the second generator, so that its peak emf is the same as that of the first generator
One cubic meter of water flowing over Niagara Falls in New York drops 98.1 meters. how much heat energy would the water have
A spotlight at the bottom of a pool emits a cone of light upward 22 degrees wide. n= 1.33, How wide (as angle w) is the cone of ligh outside of the pool
Communications satellites are placed in a circular orbit where they stay over a fixed point on the equator. Find average speed of the satellite in geosynchronous orbit
(a) As you are the only chemical engineer in the office, you are asked to evaluate to whether steady-state operation of this claimed device is thermodynamically permissible. (b) If the device is possible, calculate the lost work and the thermodyn..
What is the little distance between the speakers for which the interference of the sound waves is destructive.
a uniform rectangular plate is hanging vertically downward from a hinge that passes along its left edge. by blowing air
M1 is a spherical mass (43.0 kg) at the origin. M2 is also a spherical mass (17.2 kg) and is located on the x-axis at x = 99.0 m. At what value of x would a 16.5-kg mass experience no net gravitational force due to M1 and M2?
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