CBSE Class 11-science Answered
if a stone is dropped from the top of a tower 200 metre height and at the same time another stone thrown upwards with a velocity of 40 m per second when and where the two stone will meet?
Asked by p.spunia79 | 15 Sep, 2019, 12:47: PM
Expert Answer
Let both stones are meeting after t seconds from starting time.
Distance S1 travelled by stone dropped from height , S1 = (1/2)g t2 ........................(1)
Distance S2 travelled by stone thrown upwards , S2 = 40t - (1/2)g t2 ........................(2)
S1+ S2 = (1/2)g t2 + 40t - (1/2)g t2 = 40 t = 200 m or t = 5 s
Answered by Thiyagarajan K | 15 Sep, 2019, 01:42: PM
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