A balloon is ascending at the rate of 4.9m/s. A pocket is dropped from the balloon when situated at a height of 245m. How long does it take the packet to reach the ground? What is its final velocity?
CLASS - XI PHYSICS (Kinematics)
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u = 4.9 m/s
t = time to travel a total displacement of s= -245 m.
g = 9.8m/s^2
-245 = 4.9 t - 1/2× 9.8 × t^2
t^2 - t - 50 = 0
t = 0.5 + sqrt(50.25) sec.
t = time to travel a total displacement of s= -245 m.
g = 9.8m/s^2
-245 = 4.9 t - 1/2× 9.8 × t^2
t^2 - t - 50 = 0
t = 0.5 + sqrt(50.25) sec.
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