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An 75 kg stuntman jumps from a window of a building situated 25 m above a catching net. Assuming air resistance exerts a 100-N force on the stuntman as he falls; decide his velocity now before he hits the net.
charge 1 of 4.54 micro-coulombs is placed at the origin. charge 2 of 2.91 micro-coulombs is placed is x -10.6 cm and y
An experimental airplane is flying northwest from Nashville, at an altitude of 18,000 ft. Determine the lift
The horse on a carousel is 3.8 from the central axis.If the carousel rotates at 8.0×10?2 , how long does it take the horse to go around twice
A skier of mass 71.0 kg is pulled up a slope by a motor-driven cable. How much work is required to pull him a distance of 57.5 m up a 31.0° slope (assumed frictionless) at a constant speed of 2.20 m/s
A factory worker moves a 23.0kg crate a distance of 4.90m along a level floor at constant velocity by pushing horizontally on it. What magnitude of force must the worker apply
Two, concentric, thin spherical shells of radii R1 = 31.3 cm and R2 = 39.1 cm are uniformly charged with a total charge Q1 = -56.5 ?C, What is the potential of the outer shell
question in the film 2001 a space odyssey a wheel like space station achieves artificial gravity by spinning around its
Two containers contain the same gas at different temperatures and pressures, as indicated in the figure. The small container has a volume of 2 L, and the large container has a volume of 4 L. The two containers are then connected to each other usin..
Calculate the angular velocity of a clock's second hand. State in rad/s. and Calculate the angular velocity of a clock's minute hand
What force must be applied to push a carton weighing287 newtons up a 19° incline, if the coefficient of kineticfriction is 0.3. Assume the force is applied parallel to the incline and the velocity is constant.
three point charges have equal magnitudes two being positive and one negative. these charges are fixed to the corners
If a simple pendulum of mass 1.059kg and length 9.99cm is moving at 101 cm/s as it passes through the low point of its arc, What is the tension in the string of the pendulum
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