A body projected vertically upwards with velocity π’ returns to the starting point in 4 seconds. If π =10 π/ sec2 , the value of π’ is April 12, 2022 by Ezee_Notes with no comment Physics Problems Question : A body projected vertically upwards with velocity π’ returns to the starting point in 4 seconds. If π =10 π/ sec2 , the value of π’ is (A) 5 π/π ππ (B) 10 π/π ππ (C) 15 π/π ππ (D) 20 π/π πc Answer : option (D) Solution : Related Previous Post The position coordinates of a particle moving in π β π as a function of time π‘ are π₯ = 2π‘ 2 + 6π‘ + 25 π¦ = π‘ 2 + 2π‘ + 1 The speed of the object at π‘ = 10 s is approximately Next Post A body is at rest at π₯ = 0. At π‘ = 0, it starts moving in the positive π₯ βdirection with a constant acceleration. At the same instant another body passes through π₯ = 0 moving in the positive π₯ βdirection with a constant speed. The position of the first body is given by π₯1(π‘) after time π‘ and that of the second body by π₯2 (π‘) after the same time interval. Which of the following graphs correctly describes (π₯1 β π₯2 ) as a function of time π‘?