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An automobile having a mass of 2 Mg travels up a 7 degree slope at a constant speed of v=100 km/h. If mechanical friction and wind resistance are neglected, determine the power developed by the engine if the automobile has and efficiency E=0.65.
A similar measurement is made applying the force parallel to one of the cube axes. Explain why the two measurements give different values of the elastic modulus.
a 10-lb block b rests as shown on a 20-lb bracket a. the coefficients of friction are us0.3 and uk0.25 between block b
a stack gas flowing at 80 m3min at t 25 degree c and 1 atm contains approximately 75 n2 5 o2 8 h2o and 12 co2. a
1. with reference to basic constructional features contrast the methods of compression employed by positive
Rod AB is bent into shape of a circular arc adn is lodged between two pegs D adn E. It supports a load P at end B. Neglecting friction and the weight of the rod, determine the distance c corresponding to equilibrium when a = 1 in and R = 5 in.
the brakes of a car are applied causing it to slow down at a rate of 10 fts2. knowing that the car stops in 300 ft
a rigid tank with volume 0.25 m3 contains 0.5 kg of water at 100 c. a 3 kw heater is energized. calculate the time
a centrifuge bowl with 250mm internal diameter is turning at 4000 rmin. it contains a layer of aniline 50mm thick. if
Determine the acceleration of the cabinet when sA = 40 ft. Note that when sB = 0, sA = 0 (points A and B are coincident).
what will be the final temperature in the tank? how much work will be accomplished over the course of the entire process?
A 40 mm diameter hole is drilled 3 m deep into the steel shaft. When the two torque are applied, determine (a) the maximum shear stress in the shaft: and (b) the angle of rotation of the free end of the shaft. Use G= 83GPa for steel.
the 2-kg collar is released from rest at A and travels along the smooth vertical guide. determine the speed of the collar when it reaches position B.Also ,find the normal force exerted on the collar at this position.the spring has an unstrectched ..
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