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### (chatquestion)...ALLEN Nurture 30. The position of a particle (in metre) at a time t sec is given by the relation = (3tî -tj+4k). 30. Speed of the particle at t = 2 sec will be :- (1) 2 m/s (2) 3 ms (3) 4 m/s m/s 31. 31. For a particle if x = t, y = t then equation of its path will be :- (2) y = x² (4) x² = y² (1) y = x (3) x = y A packet is dropped from a balloon going upward with a velocity of 10 m/s, the velocity of packet after 2 sec will be (g = 10 m/s²) :- 32. (2) -10 m/s () 30 m/s (4) -20 m/s (3) 20 m/s Displacement-time graph is 33. Corresponding velocity-time curve will be :- V. (2)

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