A box of dimension 10 m × 6m × 8m is kept on a frictionless inclined plane as shown in the figure. A stone is thrown from one corner P with speed 10 m/s parallel to the ceiling of the box such that it

Question

A box of dimension 10 m × 6m × 8m is kept on a frictionless inclined plane as shown in the figure. A stone is thrown from one corner P with speed 10 m/s parallel to the ceiling of the box such that it hits the floor of the box at point Q as shown. At the same instant, the box is released to slide down the plane. Calculate the time of flight in second. [ $g = 10 m / s^{2}$ ]

TestHub · Accepted Answer

Y = v y ​ t + 2 1 ​ a y ​ t 2 ; − H = 0. t + 2 1 ​ ( − g cos θ ) t 2 . The total time of flight of particle is t = g c o s θ 2 H ​ ​

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