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A bowling ball is thrown onto a lane with a backspin 0 and forward velocity v0. The mass of the ball is m, its radius is r, its radius of gyration is kG, and the coefficient of kinetic friction between the ball and the lane is (mu)K. Assume that the mass center G is at the geometric center of the ball. For a 14 lb bowling ball with r = 4.25 inches, kG = 2.6 inches, (omega)0 = 10 rad/sec, and v0 = 17 mph, determine the time it takes for the ball to start rolling without slip and its speed when it does so. In addition, determine the distance it travels before it starts rolling without slip. Assume (mu)K = 0.10.
the velocity of a lift increases uniformly from zero to its maximum value at mid-height (1.4m) in 7.5s and then decreases uniformly to zero in 7.5s. The peak power output is 6kW when the velocity is maximum, determine the maximum lift force provid..
Determine an expression for the number of cycles to failure, Nf if the initial crack size is a0. State any assumptions you make.
A uniform linear charge density of 4 nC/m is distributed along the entire x axis. Consider a spherical (radius = 5 cm) surface centered on the origin. Determine the electric flux through this surface.
Determine the coordinates x' and y' of the centroid C of the area shown in the figure and calculate the moments of inertia of the area shown, about ox and oy axes.
Knowing that the coefficient of restitution is 0.8 between B and C, and 0.5 between A and B, Determine the velocity of each car after all collisions have taken place.
Determine the magnitude of the horizontal and vertical components of the force of the water on the gate.
Determine the rate of heat transfer to the mid-stage cold head and determine the rate of heat transfer to the cold head
Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below.For k=1.4 Cv=0.718kJ/(kg*k), and Cp= 1.005 kJ/(kg*K)
a heat engine working on carnot cycle converts 25% of heat into work when the temperature of the sink is reduced by 353 k the efficiency gets doubled .find the temperature of source and sink.
Calculating a Constant Pressure Process, In a constant pressure, nonflow process, 6Btus of heat are added to a gas while the volumes change from 1.6ft^3 to 2.0ft^3
What is a beam? What factors determine the maximum load that it can take without failure?
The acceleration due to gravity at sea level is g = 9.81 m/s2 . What is the person"s weight at sea level? The acceleration due to gravity on the moon is g = 1.62 m/s2 . What would the person weigh on the moon?
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