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The driver of a 1250 kg car, initially traveling at 11.6 m/s, applies the brakes, bringing the car to rest in a distance of 23.0 m.
(a) Find the net work done on the car.
(b) Find the magnitude and direction of the force that does this work. (Assume this force is constant.)
A swimming pool has dimensions 32.0 m ? 12.0 m and a flat bottom. The pool is filled to a depth of 2.30 m with fresh water. What is the force exerted by the water on the bottom
What is the image distance and What is the lateral magnification
What is the force acting on the board because of the left support when a diver of mass 63.20 kg stands at the end of the board over the water? Suppose that these forces are vertical.
A 95 kg man standing on a surface of negligible friction shoves a 75 g stone lying at his feet, giving it a velocity of 4.0 m/s. What velocity does the man obtain accordingly.
Two large, parallel, conducting plates are 17 cm apart and have charges of equal magnitude and opposite sign on their facing surfaces, Find the electric field at the position of the electron
A glass flask whose volume is 1000cm3 at a temperature of 0.200?C is completely filled with mercury at the same temperature. find the coefficient of volume expansion of the glass
If the average frequency emitted by a 200,-, rm W light bulb is 5.00 times 10^ {14}, {rm Hz}, and 10.0 percent of the input power is emitted as visible light, about how many visible-light photons are emitted per second.
A) Find v so that the rod swings up and is horizontal at the max height of the bob. B) Find the minimum v so that the rod will make a complete circle C) Find v so that the tension in the rod is zero at the top of its swing.
The blade of a windshield wiper moves through an angle of 90.0° in 0.432 s. What is the magnitude of the centripetal acceleration of the tip of the blade
The acceleration of a bus is given by ax(t)=?t, where ? = 1.26m/s3 is a constant, If the bus's position at time t1 = 1.12s is 6.01m , what is its position at time t2 = 2.13s
When yellow light from a sodium lamp shines on a certain photocell, What potential would be needed to stop the electrons if light with 4000 A is used
A ball of mass 0.240 grams and positive charge, q =39.3 microC, is suspended on a string of negligible mass in a uniform electric field. We observe that ball hangs at an angle of theta =15.0 o from the vertical. What is the magnitude of electric f..
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