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A 20.0-kg mass is supported by two strings. The left string is 2.00 m long and the right string is 5.00 m long. The attachment points for the two strings are 6.00 m apart on the ceiling.
(a) What is the tension in the left side string?
(b) What is the tension in the right side string?
A conveyor belt at a quarry lifts 2,000 kg of sand per minute up a vertical distance of 12 meters. The sand is originally at rest, then moves at a speed of 0.20 m/s all along the conveyor belt. What is the instantaneous power produced by this machine..
A muscle builder holds the ends of a massless rope. At the center of the rope, a 7.9 kg ball is hung as shown. What is the tension in the rope
Two forces, F1 vector and F2 vector, act at a point. F1 vector has a magnitude of 8.40N and is directed at an angle of 65.0 degrees above the negative x axis in the second quadrant. What is the magnitude of the resultant force
What is the angle of total internal reflection (critical angle) for a glass-to-water interface
A block resting on a smooth surface explodes into three pieces. A 465 gram piece travels at 1.7 m/s, a 1999 gram piece travels 0.7 m/s, calculate the mass and direction of the third piece.
A total of 2.99·106 electrons are placed on an initially uncharged wire of length 2.25 m. What is the magnitude of the acceleration of a proton placed at that point in space
As a positron moves through a region of space, its speed increases from 2.80 106 m/s to 8.00 106 m/s. Across what potential difference did the positron travel
find out the escape speed from Jupiter's moon Callisto
Two converging lenses which have focal lengths of +3.0 cm and +2.0 cm are 10 cm away from each other. find the height of the image formed by the seconds lens
The pressure in a traveling sound wave is given by the following equation. p = (2.1 Pa) sin ?[(1.40 m-1)x - (280 s-1)t], Find the pressure amplitude and Find the wavelength
Find time constant if the ball's amplitude has decreased to 2.20 cm after 51.0 oscillations? Explain your answer.
How much work is completed on the box by the applied force
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