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A squirrel runs along an overhead telephone wire that stretches from the top on one pole to the next. The creature is initially at position xi=3.63 m, as gauged from the center of the wire segment. It then undergoes a displacement of x=-5.97 m. What is the squirrel’s final position xf?
A circular loop of wire lies flat on a level table top in a region where the magnetic field vector points straight upward. As viewed from above, in what direction does the induced current flow in the loop of wire
A star's temperature is 5647 K. According to the Stefan-Boltzmann law, how much energy is radiated into space per second by each square meter of the star's surface? If the star's radius is 642,000 km, what is the total power output of the star?
1. an observer stands between two sound sources. source a is moving away from the observer and source b is moving
A boeing KC-135A airplane has a wingspan of 39.9 m and flies at a constant altitude in a northerly direction with a speed of 750 km/h. If the vertical component of the Earth's magnetic field is 5.2*10^-6 T, and its horizontal component is 1.5*10^-6 T..
q1. the frequency of an opera singer is 450 hz. assume the speed of sound in air is 340 ms. what is the frequency heard
A rectangular block of glass (n = 1.52) surrounded by a liquid with n = 1.70. At what angle does the ray leave the glass at point B
A 0.15 kg baseball collides with a 1.0kg bat. The ball has a velocity of 40 m/s immediately prior to the collision. Estimate how fast the baseball is moving as it leaves the bat following the collision
A person walks first at a constant speed of 5.10 m/s along a straight line from point to point and then back along the line from to at a constant speed of 2.95 m/s. (a) What is her average speed over the entire trip? (b) What is her average veloci..
The drawing illustrates the dispersion of light by a prism. The prism is made from a certain type of glass, Find the angles of refraction at which the violet rays emerge into the air from the prism
a 1210-kg car and a 2240-kg pickup truck approach a curve on the expressway that has a radius of 281m. for the angle i
A 53.0 kg stunt pilot who has been diving her airplane vertically pulls out of the dive by changing her course to a circle in a vertical plane. What is the apparent weight of the pilot at the lowest point of the pullout
a stone is thrown vertically upward from a point on a bridge located 40 m above the water. knowing that it strikes the
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