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A man drags a table 3.80 m across the floor, exerting a constant force of 51.0 N, directed 31.0° above the horizontal.
(a) Find the work done by the applied force.
(b) How much work is done by friction? Assume the table's velocity is constant.
Two small nonconducting spheres have a total charge of 89.0?C , Q1
The average intensity of sunlight at the top of the earth's atmosphere is 1390 W/m2. What is the most energy that a 30 m multiplied by 55 m solar panel might collect in one hour in this sunlight.
what is the maximum speed the ball can have. imagine there are no other forces acting on the particle.
A bird sitting in a tree is travelling at 40 km/s relative to the faraway Sun. When the bird drops to the ground below, does it still go 40 km/s, or does this speed become zero.
Diffraction plays an important role in which of the following phenomena.
A bead with a mass of 0.050g and a charge of 20nC is free to slide on a vertical rod. At the base of the rod is a fixed 10nC charge. In equilibrium, at what height above the fixed charge does the bead rest?
How large a force F2 must the second crewman pull so that the net force of the two crewmen is in the forward direction.
Two identical positive charges exert a repulsive force of 6.2 multiplied by 10-9 N when separated by a distance of 3.4 multiplied by 10-10 m. Calculate the charge of each.
A flight attendant pulls her 65N flight bag a distance of 388m along a level airport floor at a constant velocity. The force she exerts is 38 N at an angle of 51° above horizontal.
What is the final charge of each conductor. Two identical spherical conductors X and Y are mounted on insulated stands. X carries the charge of +8.0nC and Y carries a charge of -2.0nC.
A train is traveling due west with a velocity of 101.2 mph and then makes a turn to the northwest with a velocity of 95 mph
The potential in a region between x = 0 and x = 6.00 m has a linear relation, Calculate the potential at the following positions: x = 0, 3.00 m and 6.00 m and also find magnitude and direction
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