Answer:
1) 2 seconds
2) 200 m
Explanation:
1) Fall time at initial speed =
Fall time at final speed =
Initial fall height at initial speed = Final fall height at final speed i.e =
s = speed
t = time
h = height
Therefore, since fall time depends on fall height where acceleration due to gravity (g) is constant,
Fall time at = Fall time at
i.e = = <u>2.0 s</u>
<u>Time taken to land = 2.0 s</u>
2) Initial distance traveled () at initial speed = 100 m
Final speed is double initial speed i.e =
Therefore, since distance traveled is directly proportional to speed,
Final distance traveled at final speed is double initial distance
i.e =
= 2 x 100 m = <u>200 m</u>
<u>Distance traveled = 200 m</u>