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Oil is being loaded into a barge through a 150 mm diameter pipe whose exit is at an angle ? (alpha)= 60 degrees to the horizontal. The oil, with density ? = 900 kg/m3, leaves the pipe with a uniform speed of 5 m/s. Determine the force exerted by the barge on the rope.
For a movie scene, a 76kg stuntman drops from a tree onto a 51kg sled that is moving on a frozen lake with a velocity of 13m/s toward the shore. with what speed does he leave the sled
What is the tangential acceleration of a bug on the rim of a 13.0-in.-diameter disk if the disk accelerates uniformly from rest to the angular speed of 77.0 rev/min in 3.40 s.
Illustrate what is the potential energy for the child just as she is released, compared with the potential energy at the bottom of the swing? How much work does the tension in the ropes do as the child swings from the initial position to the bottom?
At rest when constructed, the ring is set rotating about its axis so that the people inside experience effective free-fall acceleration equal to g. The rotation is achieved by firing two small rockets attached tangentially to opposite points on the r..
Two people, one of mass 88kg and the other of mass 62kg , sit in a rowboat of mass 68kg. With the boat initially at rest, In what direction will the boat move
Camera A has a lens with an aperture diameter of 8.30mm, What exposure time should be used with camera B in photographing the same object with the same film if this camera has a lens with an aperture diameter of 23.5mm
Suppose that during the launch of a rocket from the surface of the earth, Determine the acceleration of the rocket
A uniform electric field points midway between the positive x and y axies. Its strength is 100Volts/m. A -50nC charge is placed at the position ( 2m, 3m ) and fixed in place. What are the components of the total electric field at the location (..
Consider a 10-kg block resting on a frictionless plane inclined 30 o connected by a rope through a pulley to a 10-kg block hanging free. What is the direction and magnitude of the resulting acceleration of the 2-block system?
A roller coaster seat exerts a normal force of 120N on a 40kg passenger at the apex of a vertical loop. what is the speed of the coaster
compute the force of the Earth's gravity on an electron and evaluate it with the force exerted on the electron by an electric field of magnitude 12500-V/m (a relatively small field). The mass and charge of an electron are given on the inside back ..
The current through a 1.5 H inductor changes from zero to 1mA in 5 us. How much is the absolute value of self-induced voltage
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