? + ? = 8
+ +
? - ? = 6
= =
13 8
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Answered by
1
Answer:
A smooth wooden plank is kept inclined to a vertical wall such that a body left at its top takes
minimum time to reach the bottom. If the foot of the plank is at a horizontal distance of 19.6m
from the wall, the minimum be with so the answer. is5
Answered by
0
Answer:
3.5+4.5=8
9.5-3.5=6
13 8
Step-by-step explanation:
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