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An Olympic long jumper is capable of jumping 8.5m .Assuming his horizontal speed is 9.5m/s as he leaves the ground, How high does he go? Assume that he lands standing upright-that is, the same way he left the ground?
Water Vapor at 10 MPa, 600 C enters a turbine operating at steady state with a volumetric flow rate of .36 m^3 and exits at .1 bar and a quality of 92%. determine the rate at which entropy is produced
After falling from rest from a height of 35 m, a 0.58-kg ball rebounds upward, reaching the height of 26 m. If the contact between ball and ground lasted 2.5 ms, what average force was exerted on ball.
A beam of light is incident from air on the surface of a liquid. If the angle of incidence is 28.5° and the angle of refraction is 16.6°, find the critical angle for the liquid
Draw a free body diagram for the skateboarder at the bottom of the ramp
A 645N woman climbs a staircase that rises at 50 degrees above the horizontal and is 4.95m long. Her speed is a constant 40.0cm/s. How much work has gravity done on her as she climbed the stairs
A merry-go-round with, radius 3 m rotates freely with an angular speed of 2/pi rev/s. Its kinetic energy is 4000 J. What is the final angular speed of the merry-go-round and the person after the person jumps on
If the coefficient of kinetic friction between the box and the roof is 0.55, with what speed must you push the box to have it gently come to rest right at the edge of the roof.
A 1.5 ?F capacitor is charged to 57 V by a battery, which is then removed. At time t = 0, Calculate the potential difference VL(t) across the inductor as a function o
Consider the series RC-circuit for which R = 45.0 k?, C = 45.0 µF, and emf = 33.0 V. find the charge on the capacitor one time constant
An electron is located on a pinpoint having a diameter of 2.5 um. What is the minimum uncertainty in the speed of the electron
A 3-ft-diameter semicircular channel made of unfinished concrete is to transport water to a distance of 1-m uniformly. determine the minimum elevation difference across the channel
The area of a typical eardrum is about 5.0 × 10?5 m2. Calculate the sound power incident on an eardrum at the threshold of pain
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