Here ,
width , W = 62 m
A)
let the time of flight is t
using second equation of motion
d = u*t + 0.5 * at^2
1.4 - 18.4 = - 0.5 * 9.8 * t^2
solvnig for t
t = 1.86 s
Now, inital speed = 62/1.86
inital speed = 33.3 m
the initial speed of the car is 33.3 m/s
B)
let the final speed is v m/s
using third equation of motion
v^2 - u^2 =2 * a * h
v^2 - 33.3^2 = 2 * 9.8 * 17
v = 38 m/s
the speed of car when it lands is 38 m/s
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