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A 7 kg bowling ball moving at 15 m/s hits a 1 kg pin at rest. The ball leaves at a 10 degree angle at 13 m/s. Calculate the angle and velocity of the pin immediately after the collision.
In a rectangular coordinate system, a positive point charge q= 4.50 nC is placed at the point x= 0.170 m, y=0, Find the direction of the electric field from the positive x axis.
a point charge q1=2 microC is located on the positive y axis at y=0.30 m, and an identical charge q2 is at the origin. Find the magnitude and direction of the total force
A submarine is 304 m horizontally out from the shore and 126 m beneath the surface of the water. A laser beam is sent from the sub so that it strikes the surface of the water at a point 232 m from the shore. If beam just strikes the top of a building..
Two point charges q = 74.0 nC and q = -74.0 nC are in vacuum located on the x axis at -30.0 cm and 30.0 cm, calculate the total electric flux through the y-z plane
The telescope at Yerkes Observatory in Wisconsin has an objective whose focal length is 19.4 m. Its eyepiece has a focal length of 10.0 cm. What is the angular magnification of the telescope
A block of mass 3.65kg and density 600 kg/m^3 floats in a bath of oil of density 970kg/m^3. calculate total volume of wood and metal
A dockworker applies a constant horizontal force of 70.0N to a block of ice on a smooth horizontal floor. how far does the block move in the next 4.50s
A stone is thrown from the top of a cliff that is 34.6 m high at a velocity of 13 m/s 230 above the horizontal. How long does it take to hit the ground below the cliff
In outer space, far from other objects, block 1 of mass 30 kg is at position m, and block 2 of mass 1350 kg is at position m. What is the (vector) gravitational force acting on block 2 because of block 1? It helps to make a sketch of the situatio..
A 2 kg mass is attached to a spring of spring constant 20 N/m. What is the period of mass and spring oscillation
A mass-spring system has k = 55.2N/m and m = 0.405kg. Find the frequency of its simple harmonic motion
q1. in a science fiction story a microscopic black hole is given an enormous positive charge by firing an
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