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A garden hose with a diameter of 0.75 in has water flowing in it with a speed of 0.44 m/s and a pressure of 1.1 atmospheres. At the end of the hose is a nozzle with a diameter of 0.25 in.
(a) Find the speed of water in the nozzle.
m/s
(b) Find the pressure in the nozzle.
atm
The greatest ocean depth yet discovered is the Marianas Trench in the western Pacific Ocean. A steel ball released at the surface requires 64 min to reach the bottom. The ball's downward acceleration is a=0.9g-cv, where g=9.81 m/s^2, and the constant..
The electric field in an electromagnetic wave (in vacuum) is described by E =Emaxsin(kx-ωt), Find the amplitude of the corresponding magnetic wave. Answer in units of T.
Provide equations allowing to find moment of inertia of a solid cylinder and of a cylindrical ring
A small conductive rod of length 1.5 m moves with a constant velocity v=15 m/s in a direction parallel to a long wire carrying a current of 22 A. Calculate the electric potential induced across the rod
Assume that the Ferris Wheel is a circular disk with radius 0.29 m and mass 6.7 kg. What is the magnitude of the net torque on the Wheel in N x m?
A car of mass 1510 kg traveling at 22 m/s is at the foot of a hill that rises 115 m in 2.2 km. At the top of the hill, the speed of the car is 12 m/s. Find the average power delivered by the car's engine, neglecting any frictional losses
a light bulb is wired in series with a 132-o resistor and they are connected across a 120-v source. the power delivered
A bus makes a trip according to the position-time graph shown in the illustration. What is the average acceleration (in km/h2) of the bus
An unstable particle at rest breaks up into two fragments of unequal mass. evaluate the speed of the heavier fragment
the electrons that produce the picture in a tv set are accelerated by a very large electric force as they pass through
The tip of a tuning fork goes through 480 complete vibrations in a time of 0.570s. Find the angular frequency. Find the period of the motion.
A canon sends a shell of mass 35.0 kg into air with an initial speed of 135 m/s, in the direction of 55° above the horizontal. What is the work delivered by the canon on the shell
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