Person a & person b travel from same point. the person a moves 8 km to south & turns at 30° angle & goes north. person b moves about x km towards east & turns 60 & heads towards north. then find out at what height the two men meet from the origin & distance travelled by person b before he turns to north.
Answers
Answer:
B=8 km, H=16 km to meet origin A and B
Distance travelled by person b before he turns to north= 4.618 km.
Height the two men meet from the origin = 9.237 km
Given:
- Person a & person b travel from same point.
- The person a moves 8 km to south & turns at 30° angle & goes north. Person b moves about x km towards east & turns 60 & heads towards north.
To find:
What height the two men meet from the origin & distance travelled by person b before he turns to north.
Explanation:
See the below attached figure.
From geometry of figure.
Height = 9.237 km
Distance traveled by person b = Height × sin30 = 4.618 km.
Hence, distance traveled by person b is 4.618 Km.
To learn more...
1)Suppose A and B in the previous problem change their positions in such a way that the line joining them becomes perpendicular to the direction of wind while maintaining the separation x. What will be the time lag B finds between seeing and hearing the drum beating by A ?Concept of Physics - 1 , HC VERMA , Chapter "Rest and Motion : Kinematics.
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