Package is fired off earths surface
A small package is fired off Earth's surface with a speed v at a 45° angle.It reaches a maximum height h above the surface, h = 6370 km, a value equal toEarth's radius itself. What is its speed when it reaches this height?
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A two ton (4000 Ibf) weight is suspended on a 30 foot long, half inch diameter steel cable. What was the original length of the cable before the weight was applied? The modulus of steel is 29,000 ksi.
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A small package is fired off Earth's surface with a speed v at a 45° angle.It reaches a maximum height h above the surface, h = 6370 km, a value equal to Earth's radius itself. What is its speed when it reaches this height?
A ball of mass 0.075 kg is fired horizontally into a ballistic pendulum. the pendulum mass is 0.350kg. the ball is caught in the pendulum and the center of mass of the system rises a vertical distance of 0.145m in the earth's gravitatinal field. w
Determine the rate of diffusion of Cu in Al at 300K, using D = Do exp (-ED/RT), where Do = 0.15 cm2/sec, and ED = 125 kJ/mole. Note that 1 kJ = 1000 J.
2-kg of saturated liquid R-134a with an initial temperature of -10 C is contained in a well-insulated, weighted post cylinder device. This device contains an electrical resistor to which 10 volts are applied causing a current of 2 amperes to flow
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