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19On one day, a poor girl of height 90 cm is looking for a lamp-post for completing her homework as inher area there is not power supply there and she finds the same at some distance away from her home.After completing the homework, she is walking away from the base of a lamp-post at a speed of 1.2m/s. The lamp is 3.6 m above the ground . |
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Answer» Answer: 90 cm = 0.9 m. Step-by-step EXPLANATION: Given, HEIGHT of lamp-post = 3.6 cm, height of GIRL = 90 cm = 0.9 m. |
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