What is the tangential acceleration of a point on surface
A crankshaft with a diameter of 3.0 , rotating at 2400 comes to a halt in 1.90 .What is the tangential acceleration of a point on the surface of the crankshaft?
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A 326-g object is attached to a spring and executes simple harmonic motion with a period of 0.250 s. If the total energy of the system is 5.83 J, find (a) the maximum speed of the object, (b) the force constant of the spring, and (c) the amplitude
Compute the potential energy stored in the bow, if the arrow of mass 4.75 10-2 kg leaves the bow with a speed of 20.0 m/s. Assume that mechanical energy is conserved.
A diesel engine does not use spark plugs to ignite the fuel and air in the cylinders. Instead, the temperature required to ignite the fuel occurs because the pistons compress the air in the cylinders.
A constant torque of 22.0 N·m is applied to a grindstone whose moment of inertia is 0.130 kg·m2. Using energy principles, and neglecting friction, find the angular speed after the grindstone has made 17.5 revolutions.
A rotating cylinder about 16 {rm km} long and 7.4 km in diameter is designed to be used as a space colony. With what angular speed must it rotate so that the residents on it will experience the same acceleration due to gravity as on Earth?
A second ball is thrown at an angle of 30.3° with the horizontal. At what speed must the second ball be thrown so that it reaches the same height as the one thrown vertically?
What is the least amount of time it takes for the bob to swing from a position of maximum displacement to the equilibrium position of the pendulum?
A uniform pole 6 m long and weighing 150 N is supported by a boy 1 m from one end and a man 1.5 m from the other end. At what point must a weight of 450 N be attached so that the man supports twice as much as the boy?
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