Question

Suppose you walk across a room of length with a velocity of one and a half kilometer per hour. Express this velocity in m/s and find the time you will take to move across the room.

Answer 1

Velocity= 1.5 * 5/18 m/s

=5/12 m/s

Time taken to travel across the room = [5/12 * perimeter]m

Answer 2

Answer:

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$\pi x^{2} \sqrt{x} \alpha \pi \\ \sqrt{x} \sqrt{x} \alpha \left \{ {{y=2} \atop {x=2}} \right.$