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Problem 1- For the cam-follower system, the slotted bar has a constant angular velocity of 10 rad/s, and the follower A's radial position is given by:
r = 1 + 0.5 cos(2θ) ft
Determine the magnitudes of the follower's velocity and acceleration when θ = 30°.
Problem 2-The student starts from rest at the caller and runs away with a constant radial acceleration 0.5 m/s2 (with respect to the platform) as shown. The platform rotates at constant angular velocity 0.2 rad/s. Determine the magnitudes of the student's velocity and acceleration alter 3 seconds.
a 10-lb block is attached to an unstretched spring of constant k12lbin. the coefficients of static and kinetic friction
air at 1 atm and 35c flow across a 5 cm diameter cylinder at velocity 50 ms . the cylinder surface is maintained at
In Fig the flowing fluid is CO2 at 20°C. Neglect losses. If p1 = 170 kPa and the manometer fluid is Merriam red oil (SG = 0.827), estimate (a) p2 and (b) the gas flow rate in m3/h.
water flows near a flat surface and soe measurments of the water velocity u parallel to the surface at different
the compressor and turbine of a simple gas turbine engine each have isentropic efficiencies of 95. the compressor
a piston-cylinder device contains 0.398 kg of refrigerant-134a at -10 degrees celsius. the piston that is free to move
The spring has a stiffness k=200 N/m and is unscratched when the 25 kg block is at A. Determine the acceleration of the block when s=0.4 m. The contact surface between the block and the plane is smooth (no friction).
consider the incompressible-flow field u ax by v cx dy w 0. for what conditions on constants a b c d is this flow
it is well known that wind makes cold air feel much colder as a result of the wind-chill effect which is due to the
The main elevator A of the CN Tower in Toronto rises about 349 m and for most of its run has a constant speed of 22 km/h. Assume that both the acceleration and deceleration have a constant magnitude of g/3 and determine the time duration t of the ..
25 kg of water are placed in a rigid, initially evacuated container which has a volume of 2 m3 . After sitting for some time, the pressure stabilizes at 10.0 bars. What is the specific entropy (kJ/kg K)of the liquid vapor mixture?
a power plant is connected to a supply of 150 psia steam at 500 degrees f. the load is constant and requires throttling
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