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A cylinder has a diameter of 15 cm. The water level in the cylinder is maintained at a height of 0.45 m. If the diameter of the spout pipe is 0.50 cm, how high is h, the vertical stream of water? (Suppose the water to be an ideal fluid)
To hoist himself into a tree, a 72.0-kg man ties one end of anylon rope around his waist and throws the other end over a branchof the tree. determine the man's upward acceleration
a skateboarder is moving at a constant velocity of 1.75 ms when she starts up an incline that causes her to slow down
An air-track glider attached to a spring oscillates between the 12.0cm mark and the 61.0cm mark on the track. find maximum speed of the glider
A positive charge of 0.800? C is located in a uniform field of 1.20×105 N/C. A negative charge of -0.400? C is brought near enough to the positive charge that the attractive force between the charges just equals the force on the positive charge du..
A 20.0 kg wood ball hangs from a 2.0-m-long wire. The maximum tension the wire can withstand without breaking is 400.0 N. What is the greatest speed the wood ball can have
If a nearsighted person has a far point df that is 3.50m from the eye, what is the focal length f1 of the contact lenses
Write an expression for a harmonic wave that has an amplitude of 18cm, a wavelength of 2.0m, and propagates to the left at 15 m/s
A car crashes into a wall at 25 m/s and is brought to rest in 0.1s. Calculate the average force exerted on a 75-kg test dummy by the air bags
A rotational axis is directed perpendicular to the plane of a square and is located . Two forces, 1 and 2, are applied to diagonally opposite corners, and act togther the sides of the square, first as shown in part a and then as shown in part b of..
A service station charges a battery using a current of 6.6A for 4.0h, How much charge passes through the battery
A convex lense of focal length 18 cm is used as a magnifying glass. at what distance from a tiny insect must you hold this lense to get a magnification of 3.
Electrons are accelerated by a potential and directed upon a thin salt crystal that has inter-atomic spacing of 0.282 cm. What was the acceleration potential
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