Question

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Answer 1

here is your answer..............

Answer 2

Answer:

Explanation:

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mass=m=0.2kg

g=9.8m/s²

length=2.45m

h=0.5mT

ension at a point h meter height from the lower end of the rope=mgh

speed of transverse wave V=√(T/m)

=√[mgh/m]

=√gh

Substituting values:

V=√[9.8x0.5)=2.21 m/s

b]At lower end of rope, tension is zero hence speed of transverse wave is zerospeed at upper end =√gl

acceleration=√gl / t

l=1/2√[gl]xt²/t

t=2√[l/g]

=2x√[2.45/9.8]=1sec