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CBSE Class 11-science Answered

One afternoon,a couple walks three-fourths of the way of a circular lake of radius 1.50km.They start on west side side of the lake and south tho begin with.(a) What is the distance they travel (b) What are the magnitude and dirrection (relative to due east) of he couple's dispalcement?
Asked by Aayush Priyam | 04 Jul, 2014, 01:14: PM
answered-by-expert Expert Answer

Radius of the circular lake = 1.5 km

a) The distance travelled by the couple is Syntax error from line 1 column 49 to line 1 column 72. Unexpected '<mstyle '.

b) The total displacement is AB

AB2 = 1.52 + 1.52 = 4.5

AB = 2.12 km

for calculating angle

Syntax error from line 1 column 49 to line 1 column 72. Unexpected '<mstyle '.

the direction is 45 degree north of east.

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