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Water is flowing through a circular pipe with an internal diameter of 1 meter, at a rate of 0.5 m3/s. What is the water's flow velocity?
Assume that the lift needed to maintain level flight is 20,000 N. On the "Flight test" page, adjust the speed (km/h) until lift is just over 20,000N.
A popular brand of pressure washer claims to deliver 330 litres per hour of water at a pressure of 80 bar, drawing 1,400 W of electrical power in the process.
A meter long hose of 14cm diameter is connected to a second hose which is 4 meters long and 7cm in diameter.
A long lance 38mm ID mounted vertically into a pool the last 300mm of the lance is bent 45 deg, so the end of the lance is 305mm above the pool floor.
Weather Aerodynamics, Inc., makes electronically equipped weather detecting balloons for university meteorology departments.
Is it possible to solve this with the perfect gas law (PV = nRT)? Also, please brief description of the difference between the Ideal Gas Law.
Wave A has a wavelength of 1.5 m. Wave B has a wavelength of 4.5 m. The speed of wave B must be________ the speed of wave A.
A string of length L is fixed at both ends. The speed of waves on the string is c. The string is initially displaced a distance h uniformly along its length.
The number of states is expressed as a function of various parameters for three systems below.
Water waves in a lake travel 4.73 m in 1.01 s. The period of oscillation is1s. What is the speed of the water waves? What is their wavelength.
What is the Electric Field anywhere in the (x,y) plane, at position (x,y)? Be sure your answer clearly denotes the vector nature of the electric field.
Two identical metal balls bear the same amount and sign of electric charge because they have been touched together.
The force exerted by one charge on the other has a magnitude of 8.30E-3 Newtons. Find the amount of each charge.
That is, is it always the absolute value of the magnitude of the electric field? Or can it have a negative value?
An electric ceiling fan is rotating about a fixed axis with an initial angular velocity of 0.200 rev/s . The angular acceleration is 0.911 rev/s^2 .
Two point charges, one positive and the other, a negative charge, are separated by a small distance. (a) Determine the ratio q1/q2 ?
The potential at location A is 626 V. A positively charged particle is released there from rest and arrives at location B with a speed vB.
What is the electric potential to this charge at (2.0 m, -2 m)?What is the electric potential due to this charge at (-2.0 m, 0)?
What will be the magnetic field at the center of the same triangle, when charges are moving along its sides with constant velocity v in clockwise direction.
Find the work needed to move a point charge Q3 = 5 x 10-6 C from point A to point B along the curved path shown by the solid line.
Two Charge attract each other with force of 1.5N. What will be the force if the distance is reduced to one ninth of it original value.
Twelve grams of carbon contain Avogadro's number of atoms, with each atom having six protons and six electrons.
An equi-potential surface that surrounds a =3.0 x 10^-7 -C point charge has a radius of 0.15 m. What is the potential of this surface?
The battery has a potential difference of V = 10.0 V and five capacitors each have a capacitance of 10.0 uF.