Aditi Chauhan
Last Activity: 10 Years ago
Sol. For last 6 m distance travelled s = 6 m, u = ?
t = 0.2 sec, a = g = 9.8 m/s2
S = ut + ½ at2 ⇒ 6 = u (0.2) + 4.9 x 0.04
⇒ u = 5.8/0.2 = 29 m/s.
For distance x, u = 0, v = 29 m/s, a = g = 9.8 m/s2
S = (V^2-u^2)/2a = (〖29〗^2 - 0^2 )/(2 x 9.8 ) = 42.05 m
Total distance = 42.05 + 6 = 48.05 = 48 m.