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Water is contained in a large tower that supplies a city. If the top of the water is 30 m above an outlet at the base of the tower, what maximum velocity can be expected at the outlet (to the atmosphere)? How does this maximum velocity compare with that of a rock dropped from the same height?
A FLYWHEEL WITH A MOMENT OF INERTIA 6.00 * 10^6 kg*m^2 is spinning with an angular speed of 120 rev/s about a vertical axis while it sits at the north pole. What will be the change in length of a day on earth
An object of mass 2.1 kg is moving in the negative x direction at a velocity of 2.6 m/s. What is the final velocity after the object has experienced the impulse
a wheel is rotating at 33.3 rad/s is given an angular accelerationof 2.15rad/s2. Through what angle has the wheel turned when itsangular speed reaches 72.0 rad/s
On a drive from your home to town, you wishto average 33.6 mph. The distance from yourhome to town is 90miles. However, at 45miles(half way), you find you have averaged only25.2 mph.
A laserpointer has a beam intensity of 55 W/m2 and a beam radius of 2.1 mm. what is the force on the car
If the man falls with his knees and ankles locked, the only cushion for his fall is a 0.480 cm give in the pads of his feet. Calculate the average force exerted on him
The largest apple pie ever made was rectangular in shape and had an area of 7m× 12m. Consider a parallel-plate capacitor with this area. Imagine that the capacitor is filled with air and the distance between the plates is 1mm. a.
The creation and study of new and very massive elementary particles is an important part of contemporary physics. To create a particle of mass M requires an energy Mc2. With enough energy, an exotic particle can be created by allowing a fast-movin..
A rock of mass 44 kg accidentally breaks loose from edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 252 N. What is the magnitude of the acceleration of the rock?
When you walk toward a mirror you see your image approaching you. If you walk at 2 m/s, how fast do you and your image approach each other
A rifle is aimed horizontally at a target 50.0 m away, What was the bullet's flight time and What was the bullet's speed as it left the barrel
Assuming constant temperature, as a helium balloon rises through the air: (Select all that apply.) The air pressure inside the balloon decreases. The air pressure outside the balloon decreases. The air pressure outside the balloon increases. The air ..
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