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Given the velocity field V= 10x^2 y i +15 y z j - (3xy-25t) k find
a) the acceleration of a fluid element at a point (1,2,-1) at time t=0.5
b) identify the value of local and convective component of acceleration in xdirection y direction and z direction.
the boat is to be pulled onto shore using two ropes. If the resultant force is to be 1000 N, directed along the keel aa , determine the magnitude of forces T, P acting in each rope at the angle teta of P so that the magnitude of P is minimum. T ac..
water flows as two free jets from the tee attached to the pipe shown below. thenbspexit speed is 15 ms. if viscous
a cylindrical stone mix concrete beam of diameter d 0.45 initially at ti 20c is exposed to hot gases at tinfinity
What is the acceleration of the truck if the coupling at C suddenly fails? The car wheels are free to roll. Neglect the mass of the wheels.
If the motorcycle has a deceleration of a_t = -(0.001s);{rm m}/{rm s}^{ 2 } and its speed at position A is 18 m/s, determine the magnitude of its acceleration when it passes point B.
for a crystal with a cubic structure sketch its unit cells showing the following crystallographic directionsa 011 b 212
The catapult is used to launch a ball such that it strikes the wall of the building at the maximum height of its trajectory. If it takes 1.5 s to travel from A to B, determine the velocity vA at which it was launched, the angle of release q, and t..
a 3000-lb car accelerates under constant power from 60 mileh to 90 mileh on a 0.25 mile straight level test track.
a three-blade helicopter blade rotates at 200 rpm. if each blade is 12 ft long and 1.5 ft wide estimate the torque
A plane can fly 305 mph in still air. If it can fly 185 miles downwind in the same amount of time it can fly 120 miles upwind, find the velocity of the wind.
an engine uses methanol ch3oh as a fuel with 300 excess air. air enters the engine at 1 bar and 25 c and is mixed with
a prove using the increse in entropy principle that the maximum thermal efficiency for any heat engine is the carnot
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