If a Spider man leaves the ground at 13.2 m / s , he can get about 8.89 m high .
In this question Equation of Motion under gravity can be used :
v ² - u ² = 2 g h ............. Eq. 1
Here ,
u = 13 . 2 m / s
v = 0 m / s
g = - 9.8 m / s ² ( -ve as motion is against the gravity )
Now , we can use the values of u , v and g in Eq 1 .
v ² - u ² = 2 g h
0² - ( 13.2 ) ² = 2 x ( - 9.8 ) x h
0 - 174.24 = - 19.6 x h
- 174.24 = - 19.6 x h
h = 8.89 m
Hence , if a Spider man leaves the ground at 13.2 m / s , he can get about 8.89 m high .
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