What is the average velocity-railroad train travels
A railroad train travels forward along a straight track at 70.00 m/s for 2100m and then travels at 60.00 m/s for the next 1560.00m, and stopped for 30 sec. What is the average velocity?
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Beta Industries has net income of $1,700,000, and it has 1,830,000 shares of common stock outstanding. The company's stock currently trades at $61 a share.
Warm air is contained in a piston-cylinder assembly oriented horizontal as shown in figure P.142. The air cools slowly form an initially volume of 0.003 M^3 to a final volume of o.oo2 m^3.
The inlet to a nitrogen compressor is a pipe of 5cm internal diameter; its outlet is a pipe of 2 cm internal diameter. At steady state, the temperature at the inlet is T(in) = 300k.
Determine the speed of slider A as it passes the initial position of slider B if (a) the circular track lies in a horizontal plane and if (b) the circular track lies in a vertical plane.The value of R is 0.8 m.
A team of design students working on a mousetrap-powered vehicle decides to use computercompact discs as wheels. The discs are lightweight and readily available.
A package is dropped from a helicopter moving upward at 14.50 m/s. If it takes 17.0 sec before the package strikes the ground, how high above the ground was the package when it was released (Disregard air resistance)?
A satellite P is in a circular oribt of radius rho around a fixed mass O. How much energy is required to change to an elliptical orbit of eccentricity e and semimajor axis a?
A projectile is fired at angle of 30 from the horizontal with an initial velocity of 55 m/s. Find. 1. The horizontal velocity of the particle at the top of its flight.
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