23. A girl of height 90 cm is walking away from the
base of a lamp-post at a speed of 1.2 m/s. If the
lamp is 3.6 m above the ground, find the length
of her shadow after 4 seconds.
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Step-by-step explanation:
1.6 m . HSBC hi jebxjdbxbbebcbdbcbeb
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