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(a) The space between two plates (20 cm x 20 cm x 1cm), 1 cm apart, is filled with a liquid of viscosity 0.1 Pa.s. The upper plate is dragged to the right with a force of 5N keeping the lower plate stationary. What will be the velocity in m/s of flow at a point 0.5 cm below the lower surface of the upper plate if linear velocity profile is assumed for the flow?
(b) Two capillaries of same length and radius in the ratio of 1:2 are connected in series and a liquid flows through this system under streamline conditions. If the pressure across the two extreme ends of combination is 1 m of water, what is the difference across the (i) first capillary (ii) second capillary?
A scholar driving home for the holidays starts at 8:00 am to make the 675 kilometer trip, practically all of which is on nonurban interstate highway. determine what must be her minimum average speed
A small block is released from rest at the top of a frictionless incline. The block travels a distance 0.762 m in the first second after it is released. How far does it travel in the next second
A wrecking yard inventor wants to pick up cars by charging a 0.400 m diameter ball and inducing an equal and opposite charge on the car. If a car has a 1000 kg mass and the ball is to be able to lift it from a distance of 1.00 m: (a) What minimum ..
A man observes snow falling vertically when he is at rest, but whenhe runs through the falling snow at a speed of 6.80 m/s, it appears to be falling at an angle of28.0° relative to the vertical. Find the speed of the snow relative to the earth.
If the image of the truck is approaching the vertex of the mirror at a speed of 2.0 m/s when the truck is 2.0 m away, what is the speed of the truck relative to the highway?
A capacitor has parallel metal plates separated by an air gap of .250mm. The arrangement has capacitance of 285pF (1 pf = 10^-12 Farads) and the plates are given opposite charges of +85 nC and - 85nC.
Cart C has mass 123 gram cart D had mass 345 gram The carts are on a frictionless track. Calculate the total kinetic energy of the carts after collision
An uncharged nonconductive hollow sphere of radius 12.0 cm surrounds a 14.0 µC charge located at the origin of a cartesian coordinate system. A drill with a radius of 1.00 mm is aligned along the z axis, and a hole is drilled in the sphere. Calculate..
With the temperature held constant, the pressure of a gas in a cylinder by a movable piston is increased from 10 kPa to 80 kPa. The initial volume of the gas in the cylinder is 0.56 m3. What is the final volume of the gas after the pressure is increa..
A Pilot ejects from a jet raveling horizontally at 361 m/s. The combined mass of the pilot and their ejection seat is 200 kg. Whats the drag force exerted on the pilot
A boy throws a ball at an angle of 45 degrees from ground. Wind is blowing in horizontally opposite side. The ball comes back in the hands of the boy. What is the trajectory of the ball?
You're carrying a 4.0-m-long, 25 poles to a construction site when you choose to stop for a rest. You place one end of the pole on a fence post and hold the other end of the pole 35 from its tip. How much force should you exert to keep pole motionles..
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