7. The period of the equation of motion given by x(t) = 6 sin (4tt) is ( a ) πs (b) 2 s (c) S (d) 0.5 s 8. The frequency of the motion in (7) is (a) - cycle (b) 2 сусle (c) 0.5 cycle (d) 4л сусle 9. The amplitude of the motion in (7) is (а) 4л (b) 6 (c) 24 n (d) None of the above

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A: The given position of moving particle is, x=4-0.1tsin0.8ty=4-0.1tcos0.8tz=0.4t32

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A: (a) this is the graph of r=1+2sinθ

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A: Hi! You have posted multiple questions. As per norms, we are solving only the first one. If you need…

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A: Since you have posted multiple questions. I am answering the first one. Please post the question…