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A 0.73-kg mass is hanging from a spring with spring constant 13 N/m. Then the mass is displaced from the equilibrium by 1.7 cm and let go. What is the resulting period of the oscillation?
question1a student who weighs 490 n is wearing a backpack that weighs 88 n. the student is standing still on level
A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 24 degrees below horizontal. Find the length of time the car is in the air
A pipe 0.026 m in diameter and 0.22 m long can transfer 3476 J of heat per second with a temperature difference across the ends of 7?C. Compare this performance with the heat transfer of a solid silver bar of the same di- mensions by finding the rati..
A bob of mass = 0.300 is suspended from a fixed point with a massless string of length = 25.0. What tangential speed must the bob have so that it moves in a horizontal circle with the string making an angle 21.0 with the vertical
The fastest growing plant on record is the Hesperoyucca whipplei. Suppose a plant of this type grows 2.3 m in 14 days. What is its growth rate in micrometers per second
The power radiated by an object is 145 W. If the object were a perfect blackbody radiator (and otherwise was the same) it would radiate 587 W. What is the emissivity of the object
A 76 kg sprinter starts a race with an acceleration of 5.8 m/s2, What is the magnitude of the net external force on him in N
X rays diffract from a crystal in which the spacing between atomic planes is .200nm. what is the angle of the first-order diffraction
A mass m slides without friction on a 1-dimensional track. The mass is moving from left to right with initial velocity v0. Determine the position where the mass will come to rest
A converging lens with a focal length of 13.7 cm and a diverging lens are placed 24.0 cm apart, with the converging lens on the left. What is the height of the final image
The street automobile with the greatest acceleration is the Tempest. It has an acceleration of 6.89m/s2. Suppose the car accelerates from the rest to a final speed of 96.5km/h. How long does it take Tempest to reach this speed.
The electric field midway between two equal but opposite point charges is 755 N/C, and the distance between the charges is 15.8 cm. What is the magnitude of the charge on each
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