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The ball of mass M of negligible size is fired up the vertical circular track using the spring plunger. The plunger keeps the spring compressed a distance k when x = 0. Determine how far x it must be pulled back and released so that the ball will begin to leave the track when theta = theta1. Given: M = 0.8 kg , k = 0.08m, theta1 = 135 deg , r = 1.5m , k = 500 N/m , g = 9.81m/s2.
consider two masses m1 and m2 that are connected by a rope over a pulley. the masses will accelerate in a direction
Calculate the magnitude of the moment about the base point O of the 600 N force and calculate and draw the shear force and bending moment diagram for the cantilever beam
an ideal gas flows through a device at steady state. the temperature of the gas at the inlet is 20c and its velocity
nitrogen at 900kpa and 300oc is expanded adiabatically and reversibly in a closed system to 100kpa. determine the
a mass of 6 kg of a saturated liquid plus vapor mixture of water exists at 175 kpa in a well-insulated rigid tank.
calculate the resistance of a platinum wire that is 2 m in lenth and has a diameter of 0.1cm. the resistivity of
a fully loaded lorry has a mass of 10 tonnes and is travelling along a road at uniform velocity when the brakes are applied and the lorry is brought to rest. if the deceleration is 2m/s2 and the coefficient of rolling friction is 0.15, determine t..
a 2-kw pump is used to pump kerosene rho 0.820 kgl from a tank on the ground to another tank 30 m above the ground.
muddy meadows earthmoving can purchase a bulldozer for 80000. after 7 years of use the bulldozer should have a salvage
r-134a is contained in a vertical cylinder fitted with a frictionless piston and a set of stops and the volume is
a polytropic process is one in which the pressure p and volume v are related by the formula npvcwhere c is a constant.
assume that oxygentc 154.6k pc 5.046 x 106 pa and vc 7.32x10-5 m3mol and water tc 647.3kpc 2.205 x 107 pa and vc 5.6
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