Question

A stone is just dropped from the window of a train moving along a horizontal straight track with uniform speed. The path of the stone is

Answer 1

Answer:

the path of the stone is horizontal

Answer 2

Answer:

i) area of the triangular flower bed is

1/2×3.5×2 sq m

=3.5 sq m

area of the square flower bed is( 2.5)^2sq m

=6.25 sq m

so,square flower bed has more area than triangular flower bed.

ii) area of the circular flower bed

=π(2.1/2)^2 sq m

=22/7(1.05)^2 sq m

=22×1.05×1.05/7 sq m

=22×1.05×.15 sq m

=3.465 sq m

area of the trapezium flower bed

=(2+3)/2×1.5 sq m

=5×1.5/2 sq m

=2.5×1.5 sq m

=3.75 sq m

circular flower bed has least area

iii) perimeter of the vidyalaya park is

2(55+42) m

=2×97 m

=194 m

iv) cost of planting jesmine flower in circular bed is Rs 3.465×8

= Rs 27.72

Explanation:

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