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water is flowing in a horizontal pipe of variable cross section. Where the cross-sectional area is 1.80x10^-2 m^2, the pressure is 5.20x10^5 Pa and the velocity 0.80 m/s. In a constricted region where the area is 7.00x10^-4 m^2..
a) What is the PRESSURE?
b) What is the VELOCITY?
A free electron and a free proton are exactly 0.70cm apart, Find the magnitude of the acceleration of the proton and Find the magnitude of the acceleration of the electron
A uniform wooden plank of mass 15kg and total length 10m rests on two supports. Find the forces of the two supports on the plank
A circuit containing a 8 H inductor has an alternating current supplied to it. If Irms is 5.6 A and Vp is 25 V, find the frequency of the signal
A 280-g block on a 52 cm long string swings in a circle on a horizontal, frictionless table at 95 rpm. What is the speed of the block.
What centripetal force does an 80-kg passenger experience when seated 12 m from the center of the Ferris wheel whose angular speed is 0.50 rad/s.
An oscilloscope shows a steady sinusoidal signal of 5 Volt peak to peak, which spans 5 cm in vertical direction on the screen. What will be observed on the oscilloscope screen
While rearranging a dorm room, a student does 400 J of work in moving a desk 2.0 m. What was the magnitude of the applied horizontal force
Suppose you are myopic (nearsighted). You can clearly focus on objects that are as far away as 50.2 cm away. What would be the refractive power (in diopters - do not enter units) for your prescription
4.38 grams of diatomic oxygen (O2) in a 1.75 liter container creates a pressure of 315,000 Pascals. find the root-mean-square velocity of the molecules
In atwood's machine two masses m1 and m2 hang vertically, connected over a frictionless pulley. Evaluate the acceleration numerically
It has been suggested that rotating cylinders about 12 mi long and 5.1 mi in diameter be placed in space and used as colonies. What angular speed should such a cylinder have so that the centripetal acceleration at its surface equals free-fall acce..
What is an average number of ozone molecule
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