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A fountain shoots a jet of water 10 m into the air. The fountainhas a round nozzle of diameter 1.84 cm at ground level, fed by a pump located 6 m belowground through a round pipe of diameter 5.19 cm. What is the gauge pressure of the water at the pump? Assume steady, laminar flow of water, noviscosity, and no air drag on the water jet. The acceleration ofgravity is 9.81 m/s2. Answer in units of kPa.
A 2.54 kg particle moving along the x-axis experiences the force shown, where Fmax=6.85 N, Fmin=-6.85 N, d1=1.27 m, d2=2.54 m, d3=3.81 m, and d4=5.08 m. At x=0.00 m the particle's velocity is 3.93 m/s. What is its velocity at x=2.54 m?
What is the Kinetic Energy of the sphere when it is 4.70cm from the line of charge if the only force on it is the force exerted by the line of charge
An air spaced parallel plate capacitor has an initial charge of 0.05 uC after being connected to a 10 V battery. Calculate the work done in pulling the plates apart
Submarines control their buoyancy using ballast tanks. To sink the tanks can be flooded with water and to rise compressed air can be fed into the tanks to expel the water, lowering the density of the sub.
A spherical steel shell with shell thickness 10 mm rolling down the ramp without slipping.assume that the density of aluminum.
Consider a cell phone that emits electromagnetic radiation with a frequency of 1.0 GHz and with a power of 70 W. What is the electric field amplitude at a distance 1020 m away from the phone
A parallel-plate capacitor with circular plates of radius R is being charged. The change of electric field is given by dE/dt=1.5E12 V/(mS). The field magnitude B for r=5R is 1E-7 T.
The photograph shows an electron beam whose initial direction of motion is horizontal, from right to left. A magnetic field deflects the beam downward. What is the direction of the magnetic field?
A golfer hits a shot to a green that is elevated 3.20 m above the point where the ball is struck. find the speed of the ball just before it lands
An RL circuit consists of a switch, an emf source Eo, a 4 kΩ resistor, and a 5 H inductor. If the potential across resistor is 16 V 5 ms after switch is closed, find out the source emf, Eo.
A 4.8mH toroidal inductor has 140 identical equally spaced coils. If it carries an 11.5 A current, how much magnetic flux passes through each of its coils
Visible light of wavelength 480 nm is incident on a diffraction grating with a slit spacing of 0.003 mm
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