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(a) A point charge Q = +4.40 µC is held fixed at the origin. A second point charge q = +2.0 µC with mass of 2.80 10-4 kg is placed on the x-axis, 0.250 m from the origin.
(b) The second point charge is released from rest. What is its speed when it is at the following distances from the origin? 1)0.500 m 2)5.00 m 3) 50.0 m
A soccer ball is lofted toward the goal from a distance of 9.00 m. It has an initial velocity of 12.7 m/s and is kicked at an angle of 72.0 degrees above the horizontal. (a) When the ball crosses the goal line, how high will it be a..
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.65 104 m/s, What is the orbital speed of the second satellite
Suppose one gallon of gasoline produces 1.41×108 J of energy, and this energy is sufficient to operate a car for 20.0 miles. how many miles could the car go on a single tablet
In order to manufacture these coffee tables, the company would need to incur $525,000 in fixed costs for new equipment. Calculate the break-even point of the coffee tables in units sold. Illustrate what would be the total revenue at the break-even po..
Find the gravitational attraction between two solid lead spheres of 1 kg mass each if the spheres are almost in contact
What is the magnitude of the acceleration of a speck of clay on the edge of a potter's wheel turning at 45 rpm (revolutions per minute) if the wheel's radius is 25.6 cm
it is found experimentally that the electric field in a certain region of earths atmosphere is directed vertically
a 2.5 kg object slides along a frictionless horizontal table with an initial speed to the left. it strikes a coiled spring ( force constant= 500. N/m), calculate the force exerted by the bumper on the object
The primary windings of a transformer, which has an 65% efficiency, are connected to 110 V ac. Calculate the current through the primary windings of the transformer
by how much will the volume of coolant in an automobile radiator increase when its temperature increases by 130 cdeg
A movable piston having a mass of 7kg and a cross-sectional area of 6 cm2 traps 0.2 mol of an ideal gas in a vertical cylinder. The piston slides without friction in the cylinder. The outside of the cylinder is kept at atmospheric pressure, 1.013×..
An object of mass 263.25285 g executes SHM with an amplitude of 14.906379 cm and a period 29.11989 s. Find the force acting on the object
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