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While in a third floor office building, you notice a ball moving straight upward just outside the window. It takes 0.17 s for the ball to move up a distance of 1.00 m from the bottom to the top of the window.
(a) How long does it take before the ball reappears?
(b) What is the greatest height of the ball above the top of the window?
An organ pipe is 119 cm long. What are the fundamental and first three audible overtones if the pipe is closed at one end.
if mars orbital period is (time for one orbit around the sun) is 1.886 earth years, what is the average speed of mars around the sun
A 80cm long metal string under 34.5 N tension has a linear mass density 2.10x10^-4 kg/m. Find the frequencies of the first three harmonics
Dennis, driving his 600 kg car, makes a 90 degree turn. His speed before the turn is 15.0 m/s and after the turn are 20 m/s. What is the magnitude of the change in car's momentum.
Between each pair of vertebrae in the spinal column is a cylindrical disc of cartilage. How far does the top surface move relative to the bottom surface
A battery with an emf of 12.0 V shows a terminal voltage of 11.3V, What is the battery's internal resistance
displacement vector a points due east and has a magnitude of 3.22 km. displacement vector b points due north and has a
The time required for one complete cycle of a mass oscillating at the end of a spring is 0.25s. what is the frequency of oscillation
A weight lifter lifts a 320 N set of weights from ground level to a position over his head, a verticaldistance of 1.85 m. How much work doesthe weight lifter do, assuming he moves the weights at constant speed?
If the wire is heated to 38.0°C while the 7.0-V potential difference is maintained, what is the resulting current in the wire
A car of mass 1.00×103kg and a truck of mass 4.10×103kg run into one another due to ice on the road. Calculate the size of the force on the car due to the truck at that time
aqueous solutions of sodium hydroxide and ironiii sulfate are mixed. write the balanced molecular equation for this
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