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A swing is made from a rope that will tolerate a maximum tension of 8.0 102 N without breaking. Initially, the swing hangs vertically. The swing is then pulled back at an angle of 45° with respect to the vertical and released from rest. What is the mass of the heaviest person who can ride the swing?
Two coupled boxcars are rolling along at 4.0m/swhen they collide with and couple to a third, stationary boxcar. What is the final speed of the three coupled boxcars
After catching the ball, Sarah throws it back to Julie. The ball leaves Sarah's hand a distance 1.5 meters above the ground, What is the speed of the ball when it leaves Sarah's hand
Two identical positive charges exert a repulsive force of 6.2 x10-9 N when separated by a distance of 3.6 x10-10 m. compute the charge of each.
question1if an astronaut can throw a certain wrench 12.0rm m perpendicularly upward on earth how high could he throw it
A 6.4kg ball, hanging from the ceiling by a light wire 135cm long, is struck in an elastic collision by a 1.80 ball moving horizontally at 4.20 m/s just before the collision. Find the tension in the wire just after the collision.
The electric field at point P just outside the outer surface of a hollow spherical conductor of inner radius 10 cm, What is it on the outer surface
A camera has a lens with a focal length of 29.4 cm. When an object is placed 3.95 meters away is being photographed, how far from the film should the lens be placed
In vacuum, two charged particles lie 2.5 cm apart. Find the magnitude and direction of the electric field at a point midway between the two particles. (One has a charge of -8.0 µC and the other has a charge of +4.0 µC.) Magnitude.
suppose you have just discovered a new x-shy-ray binary which contains a b2 main sequence star orbiting an unseen
Assume unpolarized light of intensity 197 W/m2 falls on the polarizer in the figure, and the angle in the drawing is 37.0°. What is the light intensity reaching the photocell?
A plane is flying southwest at 155 mi/h and encounters the wind from the west at 45mi/h? what is the planes new velocity with respect to the ground in standard position.
A 8.9 dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is stationary. He walks along the length of the canoe at 0.54, relative to the water, and the canoe simultaneously moves in the opposite direction a..
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