awhere v0 was the initial velocity of the top die, h0 is the initial height of the blank, _e is strain rate and t is the runtime of top die. The flow stress r (MPa) is determined by the axial load of die and the stress area of the blank. The flow stress is described by ...
A mass m1, with initial velocity V0, strikes a mass-spring system m2, initially at rest but able to recoil. The spring is massless with spring constant k(see Figure). There is no friction.km2,00000(1)What is the maximum compression of the spring?(2)If, long after the collision, ...
A car of mass m is moving on a straight road with an initial velocity v₀. A constant braking force F is applied to stop the car. The car travels a distance d before coming to a stop. Which of the following expressions is correct according to the work - energy theorem? A. Fd =...
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A baseball is thrown with an initial velocity of magnitude v at an angle of 24.4 with respect to the horizontal (x) direction.At the same time,a second ball is thrown with the same initial speed at a different angle with respect to x.If the two balls land at the same spot,find .一...
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C The momentum of Q after the interaction is equal to the momentum of P before the interaction. D The values of (kinetic energy of P + kinetic energy of Q) before and after the interaction are equal. 12 A submarine descends vertically at constant velocity. The three forces acting on the...