Q 21. Two men A and B start moving. Man A
starts towards north with velocity 3 km/
hr. Mar B starts towards west with veloc-
ity 4 km/hr. Initially man B was at 10 km
distance from A. What will be the mini-
mum possible separation between them
and find time taken to achieve this sepa-
ration.
Answers
Answered by
1
Answer:
Step-by-step explanation
Distance covered by B=10 km.
Time taken=10/4
=2.5hour
At same time distance covered by A=
3×2.5=7.5km
As they move at 90°(at North and at West).
minimum possible separation between them=√(10^2+7.5^2)
(Pythagoras theorem).
=12.5km ANSWER
time taken=2.5 hours
Answered by
0
Step-by-step explanation:
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