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Problem 1: A projectile is launched at point A with initial velocity 120 m/s and initial angle 40o as shown. In addition to the gravity, the wind exerts a horizontal acceleration of 2 m/s2 to the left on the projectile. Determine the flight time for the projectile to strikes the slope at B.
Problem 2: The crate has a speed of 10 ft/s at point A and increases its speed at the rate of v = (5 - 0.2s) ft/s2. , where s is in feet and s = 0 at A. If SB = 12 ft, determine the magnitudes of the crate's velocity and acceleration at B.
Each of the identical rectangular blocks of mass m is homo-geneous with mass center at G. Evaluate () for equilibrium when b = a.
a mixture is 10.0 mole ethyl alcohol75.0 mole ethyl acetate c4h8o2 and 15.0 mole acetic acid. calculate the mass
it is desired to compare the results of property predictions for water near or in the saturation region using a the
Cracks propagate when the stress intensity factor exceeds a critical value and describe the fracture behaviour of the insulation tape loaded with a small crack.
a rotating machine runs intermittently. when it is operating it is rotating at 4200 rpm. the mass of the machine is 100
Air expands through a nozzle and exits supersonically. The throat area is 10 cm2, and the throat pressure is 100 kPa. Find the pressure on either side of the throat where the duct area is 24 cm2
a piston weighing 35 lb slides down a vertical cylinder. the radical gap between the piston and cylinder is 0.002 in.
a1 ft2 shallow pan with adiabatic sides is filled to the brim with water at 32 degree f. it radiates to a night sky
a closed tank having a volume of 2ft3 is filled with 0.30 lb of a gas. a pressure gage attached to the tank reads 12
air enters the duct of an air-conditioning system at 15 psia and 50f at a volume flow rate of 450 ft3min. the diameter
Methane gas is compressed at the rate of 3x104 m3/hr (as measured at 0.1013 MPa and 15C) from 0.69 MPa and 26.7C to 3.45 MPa. The compressor operates adiabatically and has an efficiency of 80%. After compression, the methane is colled at a constant p..
Consider a single crystal of some hypothetical metal that has the BCC crystal structure and is oriented such that a tensile stress is applied along a [121] direction. If slip occurs on a (101) plane and in a left-bracket Modifying Above 1 With bar 11..
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