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.
Some nitrogen is allowed to escape until the pressure in the tank drops to 400 kPa and the temperature is 20°C. Determine the amount of nitrogen, in kg, that has escaped.
What is the normal stress on a plane whose normal makes an angle of 60degree with x axis, 45degree with y axis, and is in the positive octant?
What is the entropy change?Determine the change in entropy based on a value for specific heat at the average temperature?
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
What is the force exerted by the atmosphere downward on the end cap? What is the net force exerted on each bolt holding the end cap in place?
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