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Q1. Air at a pressure and a temperature of 1 atm and 50 c, respectively, is in parallel flow over the top surface of a flat plate the is heated to a uniform temperature of 100 c. the plate has a length of 0.20-m (in the flow direction)and a width of 0.1m.the reynold based on the plate length is 40000.what is the rate of heat transfer from the plate to the air? If the free stream velocity if the air is doubled and the pressure are increased to 10 atm, what is the rate of heat transfer?
Q2. A 10.0g bullet is fired horizontally into a 105g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring of constant 152N/m. The bullet becomes embedded in block. If the bullet-block system compresses spring by a maximum of 76.0cm, what was the speed of the bullet at impact with block?
Magnitude your response differs from the accurate answer by more than 10%. Double check the calculations. N direction.what is the maximum speed car can have without losing contact with road as it passes this highest point.
Write down an equation for the radial component
When in deep space, the block accelerates at 4.2 m/s^2 even as a 120 N force is applied to it. The coefficient of static friction for a particular plane and this block is 0.31. What angle can this plane make with horizontal before the object starts t..
Young's double-slit experiment is performed with 570 nm light and a distance of 2.00 m between the slits and the screen. The tenth interference minimum is observed 7.64 mm from the central maximum. Settle on the spacing of the slits.
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A steel ball of mass M is released from rest at point P. It follows a smooth curved rail to point Q and finally reaches point R with K.E. of 7J. The speed of the ball at point Q is 2MS-1 and the height between point P and the ground is 3m. Then find ..
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An electric field is set up between two parallel plates, each of area 2.2 m2, by putting 1.0 C charge on one plate and the -1.0 C charge on the other. The plates are separated by 4.0 mm. What is the magnitude of the electric field between the plates ..
Find out an acceleration of mass and tension in the string
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