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You want to throw a pebble at a window located 9.6 m above the ground, making sure that the pebble hits the lowest part of the window with a strictly horizontal velocity. You are standing 9 m from the base of the wall and you are throwing the pebble from a height of 1.6 m above the ground.
(a) Provide a sketch of the situation.
(b) What is the launch velocity?
(c) What is the velocity with which the pebble hits the window?
Calculate the electric flux through the circle when its face is perpendicular to the field lines and then when at 45 degrees to the field lines
It has been suggested that rotating cylinders about 9.0 mi long and 4.6 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have
A microscope has an objective lens with a focal length of 16.22 mm and an eyepiece with a focal length of 9.76 mm. what is the actual diameter of the red blood cell
A 13 kg bucket of water of is suspended by a rope wrapped around a windlass that is a solid cylinder 0.400 m in diameter with mass 14.0 kg. The cylinder is pivoted on a frictionless axle through its center.
At 34C, the resistance of a segment of gold wire is 53.6 . When the wire is placed in a liquid bath, the resistance decreases to 97.1. What is the temperature of the bath
500 mL of a liquid with a coefficient of volume expansion of 205x10-6/oC fills to the brim a container that has a coefficient of volume expansion of 105x10-6/oC. how much of the liquid will overflow the container
During a fun run a girl runs for 12 s moving 2.7 m/s. She then accelerates at 0.5 m/s^2 over the next 25 m. What distance did she cover during the entire period
A ball rolls horizontally off the edge of a tabletop that is 1.40 m high. What was its speed at the instant it left the table
A ladder of mass 30 kg and length 5m leans against a frictionless wall. The angle between the ladder and the wall is 37 degree. what is the force between the ladder and the wall
A 1200 kg car moving north at 27 m/s is struck by a 2165 kg car moving east at 11.0 m/s. The cars are stuck together. How fast and in what direction do they move at once after the collision.
Two 1.50-V batteries-with their positive terminals in the same direction-are inserted in series into the barrel of a flashlight. What is the bulb's resistance
Explain how long is the bullet in the target? What average force does the bullet exert on the target? What is the target's speed just after the bullet emerges?
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