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A golfer hits a shot to a green that is elevated 2.80 m above the point where the ball is struck. The ball leaves the club at a speed of 17.7 m/s at an angle of 41.0? above the horizontal. It rises to its maximum height and then falls down to the green. Ignoring air resistance, find the speed of the ball just before it lands.
Between each pair of vertebrae in the spinal column is a cylindrical disc of cartilage. Typically, this disc has a radius of about 2.7 x 10-2 m and a thickness of about 1.1 x 10-3 m. How far does the top surface move relative to the bottom surface
An aluminum wire has a length of 20m and adiameter of 0.0025in. It is connected to a 9.35V battery. The resistivity of aluminium is 2.65x10^-8(ohm(m))a).
A ferris wheel at a local carnival has a radius of 20.0 m and it completes one revolution in 9.60 seconds. What is the speed of a point on the edge of the wheel
A capacitor has circular plates of radius 10 cm separated by 1 mm. If the capacitor is connected to a 12 volt battery, What will be the charge on the capacitor
Neutron stars consist only of neutrons and have unbelievably high densities. Calculate the density of such a star
An empty rubber balloon has a mass of 0.0109 kg . The balloon is filled with helium at a density of 0.178 kg/m3. what is the tension in the line
A composite bar made from two different materials of equal cross-sectional areas are directly attached to each other making the bar a length of L = L1 + L2.
A force of 323N is applied horizontally to a crate in order to displace crate 30m across a level floor at a constant velocity. As a result of this work.
The dry weight of a man is 845 N. When he is submerged underwater, What is the volume of the man
A system consisting of two positive particles is altered by an outside force so that its potential energy increases by 5.4 ?J. What is the work done by the outside force
A particular inductor has appreciable resistance. When the inductoris connected to a 11.5 V battery, the current in the inductor is4.54 A. When it is connected to AC source with an rms output of11.5 V and a frequency of 69 Hz, the current drops to..
A speedboat moving at 33.0 m/s approaches a no-wake buoy marker 100 m ahead. The pilot slows the boat with a constant acceleration of ?3.20 m/s2 by reducing the throttle. (a) How long does it take the boat to reach the buoy? (b) Find the total tim..
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