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Ship moving initially at 10.7 m/s due North, drifts due NE at the same speed. To correct the bearing, the captain accelerates the engine and turns the rudder NW. If the engines deliver a constant acceleration of 4.4 m/s2, how long will it take to assume the original course again?
520-N uniform rectangular sign 4.00 m wide and 3.00 m high is suspended from a horizontal, 6.00-m-long, uniform, 150-N rod as indicated in the figure below. The left end of the rod is supported by a hinge and the right end is supported by a thin c..
A ray of light, traveling in the air, strikes the surface of mineral oil at an angle of 27.9 degrees with the normal to the surface. What is the angle of refraction
A power station delivers 520 kW of power at 12,000 V to a factory through wires with total resistance 3.0. How much less power is wasted if the electricity is delivered
Two cars leave a stoplight, one 0.5128 s before the other. The second car accelerates with twice the acceleration of the first. What is the ratio of their speeds at that instant
A laser produces a 5.10mW beam of light, consisting of photons with a wavelength of 637.8nm. How many photons are emitted by the laser each second
An electron is traveling through a region of space in which the electric field is along the +x direction, What is the acceleration of the electron
How much work was done by the lift on the automobile.
Two converging lenses having focal lengths of f1 = 11.1 cm and f2 = 20.0 cm are placed d = 50.0 cm apart. The final image is to be located between the lenses, at the position x = 28.3 cm indicated. How far to the left of the first lens should the o..
Put a 10 V battery with a 10 ? internal resistance in series with a switch: hook this up to a 100 ? resistor in parallel with a 2 H inductor. Find the initial voltage across the inductor when the switch is opened
A block of wood, with density 780 kg/m3 has a cubic shape with sides .0330 m long. What is the mass of the lead
Three charges are to be placed as follows: q1: 10.00 µC at (0.00,0.00) q2: -25.00 µC at (4.00,0.00) and q3: -2.00 µC at (0.00,-3.00), Calculate the electric potential energy of the group of three charges
Two tugboats pull a disabled supertanker. Each tug exerts a construct force of 2.00 x 10^6 N, What is the total work done by the two tugboats on the supertanker
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