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a garden hose with a diameter of 0.63in. has water flowingin with a speed of 0.78m/s and a pressure of 1.2 atmosphere. at theend of the hose is a nozzle with a diameter of 0.25in. find the
a) speed of water in the nozzle and
b) the pressure in thenoozle.
Find out the frequency of the fourth harmonic if the string is fixed at one end and free at other. (That is, if the free end is attached to a long string of negligible mass.)
Calculate the magnitude of the linear momen- tum for each of the following cases a) a proton with mass 1.67×10^?27 kg mov- ing with a velocity of 6 × 10^6 m/s. Answer in units of kg · m/s b) a 1.6 g bullet moving with a speed of 371 m/s to the right...
A camera has a lens with a focal length of 22.2 cm. When an object is placed 3.55 meters away is being photographed
An RC series circuit has R = 1.35 kOhm, L = 225 mH, and C = 2.50 microFarads and is connected across a 200 V (rms), find the impedance of the RC combination
question a spherical object has an outside diameter of 50.0 . its outer shell is composed of aluminum and is 1.80
What would happen to the gravitational force between Earth and the Sun. A reconnaissance plane flies 600 km away from its base at 240 km/h, then flies back to its base at 320km/h.
Using the periodic boundary condition, ?k(x+L) = ?k(x) and noting that e(i2pn)=1, determine the allowed values of k in terms of L and an integer n. Are negative values of n allowed?
Two waves are traveling in the same direction along a stretched string. The waves are 45.0° out of phase. Find the amplitude of the resultant wave
A monochromatic light i incident on a single slit of width of 0.1 mm, and a diffraction pattern is formed at a screen which is 0.7 m away from the slit. The second order bright fringe is at a distance 2 mm from the center of the central maximum.
An RLC circuit has voltage supplied to it at a frequency of 31 kHZ with a phase difference between the current and the voltage of magnitude 0.8 rad, find the resistance of the circuit
high above the surface of the earth charged particles such as electrons and protons can become trapped in the earths
a wooden carving has 1/2 g of carbon in it and the 14C decay rate has been measured to be 4 decays/min. how old is the carving
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