Physics, 30.10.2020 17:40 Delgadojacky0206
Identify the force acting on the mass that causes the spring to extend. 15 points Please help me
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Aparticle of mass m is projected with an initial velocity v0 in a direction making an angle Ξ± with the horizontal level ground as shown in the figure. the motion of the particle occurs under a uniform gravitational field g pointing downward. (a) write down the lagrangian of the system by using the cartesian coordinates (x, y). (b) is there any cyclic coordinate(s). if so, interpret it (them) physically. (c) find the euler-lagrange equations. find at least one constant of motion. (d) solve the differential equation in part (c) and obtain x and y coordinates of the projectile as a function of time. (e) construct the hamiltonian of the system, h, and write down the hamiltonβs equations (canonical equations) of motion.
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Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?
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Identify the force acting on the mass that causes the spring to extend. 15 points
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