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Q. A satellite circles planet Roton every 2.3 h in an orbit having a radius of 1.2 ´ 107 m. If the radius of Roton is 5.0 ´ 106 m, what is the magnitude of the free-fall acceleration on the surface of Roton?
Q. Three pendulums with strings of the same length and bobs of the same mass are pulled out to angles q1, q2 and q3 respectively and released. The approximation sin q = q holds for all three angles, with q3 > q2 > q1. How do the angular frequencies of the three pendulums compare?
a. w3 > w2 > w1 b. Need to know amplitudes to answer this question. c. Need to know to answer this question. d. w1 > w2 > w3 e. w1 = w2 = w3
A spider of mass m is sitting in a perfectly symmetric web (in a vertical plane with 45 angles between the web lines), where Ti's denote the tensions along the lines that are connected to the spider at the center with i = 1, 2, 3, 4, 5, 6, 7, 8. The ..
A .228g wires are stretched between two points 77.20 cm apart. The tension in the wire is 618N. Find the frequency of the first harmonic. Reply in units of Hz.
A rotational axis is directed perpendicular to the plane of a square and is located . Two forces, 1 and 2, are applied to diagonally opposite corners, and act togther the sides of the square, first as shown in part a and then as shown in part b of..
The coefficient of static friction between the stone and each side of the tread channel is 0.7. While the tire surface is rotating at a maximum speed of 1 m/s, the stone flies out of the tread. The magnitude FN of the normal force that each side of t..
Drawing on Erastothenes' method, if two observers are due north and south of each other and are separated by 490 km, what is the circumference of their spherical world if they see the same star on their meridian at altitudes of 29 degrees and 45 degr..
A 282 kg log is pulled up a ramp by means of the rope that is parallel to the surface of the ramp. The ramp is inclined at 23.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.87, and the log has..
A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by 29.7 dB. The hearing aid picks up sound having a frequency of 250 Hz at an intensity of 3.10 10-11 W/m2. What is intensity delivered to t..
Uniform rate of acceleration
Two stationary positive point charges, charge 1 of magnitude 3.25 nC and charge 2 of magnitude 1.9nC, are separated by the distance of 60 cm. An electron is released from rest at the point midway between the two charges, and it moves along the lin..
Which is safer as a road material
The ends of two thin glass tubes are stuck in the same pool of water. Although both tubes are thin, one tube has a smaller inside diameter (Tube 1) than the other (Tube 2). Both tubes are made of the same material. Would you expect the level in Tu..
What is the Bens kinetic energy
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