Asked by biki
a stone is falled from a tower of height of 500 m into a pond water. When did we hear the sound of the stone, contact with water from the tower. If velocity of sound is 340m/s and accelaration of gravity is 10 m/s2
Answers
Answered by
Henry
h = 0.5g*t1^2 = 500 m.
5t1^2 = 500.
t1^2 = 100.
t1 = 10 s. = Fall time.
h = Vs*t2 = 500.
340*t2 = 500.
t2 = 1.47 s. To travel 500 m.
t1+t2 = 10 + 1.47 = 11.47 s. To hear the
sound of the stone.
5t1^2 = 500.
t1^2 = 100.
t1 = 10 s. = Fall time.
h = Vs*t2 = 500.
340*t2 = 500.
t2 = 1.47 s. To travel 500 m.
t1+t2 = 10 + 1.47 = 11.47 s. To hear the
sound of the stone.
Answered by
Arihant
The ques seems not to be so complicated as henry did but it needs to some mind work and smartness oh well i got answer it's approx. 11.5
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