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Question: A Bar Suspended by Two Vertical Strings
The figure (figure 1) shows a model of a crane that may be mounted on a truck.a rigid uniform horizontal bar of mass m1 = 95.00kg and length l = 5.400m is supported by two vertical massless strings. string a is attached at a distance d = 1.100m from the left end of the bar and is connected to the top plate. string b is attached to the left end of the bar and is connected to the floor. an object of mass m2 = 3500kg is supported by the crane at a distance x = 5.200m from the left end of the bar.
Find TA, the tension in string A.
Find TB, the magnitude of the tension in string B.
Sketch the rays reflected from the bottom surface of the glass and emerging back into the air through the upper surface of the glass. Explain your reasoning.
An aluminum cylinder weighs 1.00 N. When this same cylinder is completely submerged in alcohol, the volume of the displaced alcohol is 3.85 10-5 m3. What is the specific gravity of the alcohol
An archer shoots an arrow with a velocity of 45 m/s at an angle of 50 degrees with the horizontal. What is the height of the arrow at a point 150 meters downrange?
a 74- kg ice hockey player standing on a frictionless sheet of ice throws a 6.6- kg bowling ball horizontally with a
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Dimensional analysis is useful in the design of centrifugal pumps. The pressure rise across a pump (proportional to the head developed by the pump).
A 0.8 kg block is on a surface with negligible friction. When the surface is horizontal, the spring has an equilibrium length of 0.25 mWhen the surface istilted at a 27? angle to the horizontal there is a new equilibrium length of 0.33 m :
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consider the following.a calculate the angular momentum of earth that arises from its spinning motion on its axis
Squaw Valley ski area in California claims that its lifts can move 45800 persons per hour. calculate the maximum total power needed
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