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A uniform drawbridge must be held at a 41 degree angle above the horizontal to allow ships to pass underneath. The drawbridge weighs 49,230 Newton and is 14.0 meter long. A cable is connected 3.5 meter from the hinge where the bridge pivots (measured along the bridge) and pulls horizontally on the bridge to hold it in place.
(a) Calculate the tension in the cable?
N
(b) Obtain the direction and magnitude of the force the hinge exerts on the bridge.
magnitude N
direction ° above the horizontal
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Violet light and red light travel through air and strike a block of plastic at the same angle of incidence. The angle of refraction is 30.760° for the violet light and 31.280° for the red light. The index of refraction for violet light in plastic..
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a wire along the z-axis carries a current of 6.2 a in the z direction. find the magnitude and direction of the force
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A particle moving north with a speed of 5600 m/s in a uniform magnetic field pointing upward with a strength of 0.42 T feels a force of 230 N toward the east
A 27 year-old biologist makes a trip to study lifeforms in a distant planet 17 light-years away. How old is she when she returns according to her clock
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