Physics, 21.08.2019 04:00 emilypzamora11
Auniform rod ab, of mass m and length /, is smoothly jointed the end b is attached by also of length 1, to a small ring, of mass m, which can slide on the wire, the coefficient of friction between the ring and the wire being . the rod is in equilibrium in the vertical plane through the wire. given that a is the inclination of the string to the horizontal, show that the tension in the string is of magnitude mg/(4 sin a). at the end a to a fixed straight horizontal wire ac means of a light inextensible string, show also that tan a 1/(5u)
Answers: 1
Physics, 21.06.2019 17:20
If the force on an object is in the negative direction, the work it does on the object must be [2 points a) negative. b) positive c) the work could be either positive or negative, depending on the direction the object moves
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Physics, 22.06.2019 17:40
You throw a baseball directly upward at time =0 at an initial speed of 14.9 m/s. what is the maximum height the ball reaches above where it leaves your hand? ignore air resistance and take =9.80 m/s2.
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Physics, 22.06.2019 18:00
A4.0-cm tall light bulb is placed a distance of 32.0 cm from a concave mirror having a focal length of 16.0 cm. determine the image distance
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Auniform rod ab, of mass m and length /, is smoothly jointed the end b is attached by also of length...
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