Physics, 31.08.2019 05:10 cpcoolestkid4
A10 kilogram object suspended from the end of a vertically hanging spring stretches the spring 9.8 centimeters. at time t0, the resulting mass-spring system is disturbed from its rest state by the force f(t) 180 cos(8t). the force f(t) is expressed in newtons and is positive in the downward direction, and time is measured in seconds a determine the spring constant k k= newtons/meter b. formulate the initial value problem for y(t). where y(t) is the displacement of the object from its equilibrium rest state, measured positive in the downward direction. (give your answer in terms or y. y',y", t. differential equation: initial conditions: y(0) (equations) and y'(0) = (numbers) c. solve the intial value problem tor y(t) g(t) (formulas) d plot the solution and determine the maximum excursion rrom equilibrium made by the ob ect on the time interval ãooi there is no such maximum, enter none. maximum excursion meter
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Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.
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Athird point charge q3 is now positioned halfway between q1 and q2. the net force on q2 now has a magnitude of f2,net = 5.861 n and points away from q1 and q3. what is the value (sign and magnitude) of the charge q3?
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A10 kilogram object suspended from the end of a vertically hanging spring stretches the spring 9.8 c...
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