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Question: In an attempt to escape his island, Gilligan builds a raft and sets to sea. The wind shifts a great deal during the day, and he is blown along the following straight lines: 2.50 km 45.0º north of west; then 4.70 km 60.0º south of east; then 1.30 km 25.0º south of west; then 5.10 km straight east; then 1.70 km 5.00º east of north; then 7.20 km 55.0º south of west; and finally 2.80 km 10.0º north of east. What is his final position relative to the island?
In figure, a ball isthrown up onto a roof, landing some time later at heighth = 20.0 m above and d = 30.0 m horizontally from the release point.The ball's path just before landing is angled at θ =60.0o with the horizontal roof.
A 0.181-kg ball has an elastic, head-on collision with a second ball that is initially at rest. What is the mass of the second ball
Suppose 7.31 mol of an ideal diatomic gas, with molecular rotation but not oscillation, compute the energy transferred as heat Q
The masses of 1 mole of various gases are as follows: hydrogen about 2 grams, helium about 4 grams, nitrogen about 28 grams, oxygen about 32 grams and carbon dioxide about 44 grams. On the average how fast does a molecule of each gas move at 333 ..
A point source of light illuminates an aperture 2.00 away. A 15.0 -wide bright patch of light appears on a screen 2.00 behind the aperture. How wide is the aperture
Two blocks are connected by a light but sturdy string wrapped around a mass-less pulley. What is the magnitude N of the normal force on the block of mass m
Please give a description of the planet Mars and its "oceans" and how they were discovered. Also describe a what the water would have looked like.
A metal sphere of radius R = 30 cm carries a total charge Q = 2.0 µC. What is the magnitude of the electric field at a point 5 m away? The point is located on the positive x-axis, where the center of the sphere is located at the origin.
If you are drinking enough water, briefly explain when and how much you drink it throughout the day. If you aren't drinking enough, write down two ways to meet
A light beam is incident on the interface among two media at an angle of qi =15° to the normal. The light is transmitted through the interface at an angle qt =12° to the normal. Decide the index of refraction of the second medium when the first is ai..
Calculate the de Broglie wavelength for an alpha particle (He-e nucleus) with energy E = 4.2 GeV (which is emitted in the radioactive decay of U-238)
Consider a series RLC circuit with R = 15 , L = 190 mH, C = 75 µF, and a maximum voltage of 142 V. What is the impedance of the circuit at resonance
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