12.From acliffof49m high,amandropsastone.Onesecond
later,hethrowsanotherstone.Theybothhitthegroundatthe
sametime.Findoutthespeedwithwhichhethrew thesecond
stone.
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Answer:
as per condition
distance=49m
time=1/2 sec
Speed=?
Speed= Distance/ Time
thus; speed = 49/1/2
= 98km/hr
therefore: speed of the second stone can be 98km/hr
Explanation:
not sure about the ans
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