Physics, 05.12.2019 01:31 SoccerHalo
To understand how to compute the work done by a constant force acting on a particle that moves in a straight line. in this problem, you will calculate the work done by a constant force. a force is considered constant if f(r) is independent of r. this is the most frequently encountered situation in elementary newtonian mechanics. consider a particle moving in a straight linefrom initial point b to final point a, acted upon by a constantforce f. the force (think of it as a field, having amagnitude and direction at every position r is indicated by a series of identical vectorspointing to the left, parallel to the horizontal axis. the vectorsare all identical only because the force is constant along thepath. the magnitude of the force is f, and the displacement vector from point b to point a is l (of magnitude l, making and angle theta (radians) with the positive x axis). find w_ba, the work that the force f performs on the particle as it moves from point b topoint
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Two manned satellites approaching one another at a relative speed of 0.550 m/s intend to dock. the first has a mass of 2.50 ✕ 103 kg, and the second a mass of 7.50 ✕ 103 kg. assume that the positive direction is directed from the second satellite towards the first satellite. (a) calculate the final velocity after docking, in the frame of reference in which the first satellite was originally at rest.(b) what is the loss of kinetic energy in this inelastic collision? (c) repeat both parts, in the frame of reference in which the second satellite was originally at rest. final velocity(d) loss of kinetic energy = ?
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To understand how to compute the work done by a constant force acting on a particle that moves in a...
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