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Q1. A particle moves all along the x-axis with its position at time t given by x(t) = t3 - 2t + 4. Which of the given is the velocity at time t = 4?

a) 24
b) 46
c) 50
d) 60

Q2. The arrow is shot vertically upward. Its height p in the feet above ground after t seconds is given by p(t) = -16t2 + 160t + 384. How long does it take to reach its maximum point?

a) 2 sec
b) 12 sec
c) 5 sec
d) 384 sec

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  • Category:- Physics
  • Reference No.:- M99893

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