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Two archers shoot arrows in the same direction from the same place with the same initial speeds, but at different angles. One shoots at 41.0 degrees above the horizontal, while the other shoots at 56.0 degrees. If the arrow launched at 41.0 degrees lands 220m from the archer, how far apart are the two arrows when they land? (You can assume that the arrows start at essentially ground level.)
A hiker's trip consists of three segments. Path A is 8-km long heading 60.0 degrees north of east. Path B is 7.0 km long in a direction due east. Path C is 4sa-km long heading 315 degrees counter clockwise from east. Graphically add hiker's displa..
the power company charges 10 cents per kilowatt-hour, explain how much will it cost to leave the bulb on for 30 days? Show your work.
an 1800 kg car is moving at 14 m/s slows to 8.0 m/s in 4.4 s. Use the impulse momentum theorem to find the magnitude of the force on the car
A steel ball of mass .5 kg is fired vertically up from the edge of a building 20 m high with an initial speed of 10 m/s. find the average resistance force that sand exerts on the ball
A steam turbine is limited to a maximum inlet temp of 800 c the exhaust pressure is .0100 mpa and the moisture in the turbine exhaust is not to exceed 9.00%. What is maximum power output per unit mass flow rate
A girl of mass m 1 =60 m_1 = 60 kilograms springs from a trampoline with an initial upward velocity of v i =8.0 v_i = 8.0 meters per second, What is height max with respect to the top of the trampoline
A boy coasts down a hill on a sled, reaching a level surface at the bottom with the speed of 8.4 m/s. If the coefficient of friction between sled's runners and snow is 0.040.
A charge of + 2.00nC is uniformly distributed on a ring of radius 10.0cm that lies in the x = 0 plane and is centered at the origin. Find the work required to move the point charge to the origin.
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 14.0cm , giving it a charge of -11.0μC. Find the electric field just outside the paint layer
A current of 6.80 A is located at the origin. (This current flows parallel to the z axis, with a positive current flowing in the + k direction.) Find the magnetic field at a point 6.27 cm along the -x axis,
If a spaceship orbits an asteroid with a radius of 800m, find the asteroid's moment of inertia in orbit
A car moving at a constant speed of 7.5 m/s, moves 25 m at a 20 degree angle above horizontal. How much time does it take the car to accomplish this movement
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