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Physics, 25.03.2020 18:48 5924000264
As shown in the diagram, an inflated balloon released from rest moves horizontally
with velocity (v). The velocity of the balloon is most likely caused by
Balloon
O rolling friction
O gravitational attraction
O centripetal force
O action-reaction
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Afaulty model rocket moves in the xy-plane (the positive y direction is vertically upward). the rocket's acceleration has components ax(t) = ? t2 and ay(t) = ? ? ? t, where ? = 2.50 m/s4 , ? = 9.00 m/s2 , and ? = 1.40 m/s3 . at t = 0 the rocket is at the origin and has velocity ~v0 = v0x ? i + v0y ? j with v0x = 1.00 m/s and v0y = 7.00 m/s. (a) calculate the velocity and position vectors as functions of time. (b) what is the maximum height reached by the rocket? (c) sketch the path of the rocket. (d) what is the horizontal displacement of the rocket when it returns to y = 0?
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As shown in the diagram, an inflated balloon released from rest moves horizontally
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