Physics, 06.10.2019 07:01 DKLDDD1720
A1-kg collar can slide on a horizontal rod that is free to rotate about a vertical shaft. the collar is initially held at a by a cord attached to the shaft. a spring of constant 30 n/m is attached to the collar and to the shaft and is undeformed when the collar is at a. as the rod rotates at the rate ˙ θ 5 16 rad/s, the cord is cut and the collar moves out along the rod. neglecting friction and the mass of the rod, determine (a) the radial and transverse components of the acceleration of the collar at a, (b) the acceleration of the collar relative to the rod at a, (c) the transverse component of the velocity of the collar at b. and vr at b
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Physics, 22.06.2019 16:00, Nigward666
The solid that is formed and usually sinks to the bottom of a solution is the
Answers: 2
Physics, 22.06.2019 16:40, Crxymia
Aparticle's position is given by x = 3.00 - 9.00t + 3t2, in which x is in meters and t is in seconds. (a) what is its velocity at t = 1 s? (b) is it moving in the positive or negative direction of x just then? (c) what is its speed just then? (d) is the speed increasing or decreasing just then? (try answering the next two questions without further calculation.) (e) is there ever an instant when the velocity is zero? if so, give the time t; if not, answer "0". (f) is there a time after t = 3 s when the particle is moving in the negative direction of x? if so, give the time t; if not, answer "0".
Answers: 3
A1-kg collar can slide on a horizontal rod that is free to rotate about a vertical shaft. the collar...
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