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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.
water at 25 degrees c enters a heat exchanger at 0.1 kgs and exits at 50 degrees c. kerosene enters the other side of
How much would it cost to deliver one kilo Watt-hour? How does this compare with the cost of energy from your local electric utility at $0.10 per kilo Watt-hour?
the turbine of a large power plant receives 1.00 x 108 btuh of heat from the boiler at 900degf and rejects 5.50 x 106
a 125 mm diameter pipeline conveying water at 10 degrees celsius contains 50 m of a straight galvanized pipe 5 fully
find the moment of the 12-n force about the origin. the force is parallel to the x-axis and 5cm in the y-direction and
a bullet of mass m0 is fired horizontally with a velocity v0 into the slender bar of a pendulum of mass m and length l
A metal plate (k = 180 w/(m*k), p = 2800 kg/m^3, cp = 880 J/(kg*k)) with a thickness of 1 cm is being cooled by air at 5 degrees C with a convection heat transfer coefficient of 30 w/(m*k). If the initial temperature of the plate is 300 degrees C, de..
1. analyze the probable cause of the following problems in motors and suggest remedial measuresa. a
calculate the largest semicircular surface flaw oriented along the axis of the bores that could withstand a fluid pressure of 50MPa.
suppose we wish to test the hypotheses ho u15 h1 u does not 15 where we know that sigma2 9.0. if the true mean is
Determine the minimum diameter of a solid shaft used to transmit 500 kw of power from a 3000-rpm motor so that the shear stress does not exceed 50 MPa
Determine the force P and the tension of the rope and calculate the tension in the rope when the elevator is moving upward at a constant acceleration.
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