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Find the degree of the D.E 4y’+3y=0. a)...

Find the degree of the D.E `4y’+3y=0`.
a) 1
b) 2
c) 4
d) 3

Text Solution

Verified by Experts

At the instant of maximum compressin the speed of the 40 g mass reduces to zero. Taking the gravitatioN/Al potential energy to be zero at the horizontal part the conservation of energy shows,
`mgh=1/2kx^2`
where m=0.04 k, h=4.9 m, k=400 N/m and x is the maximum compression.
Thus, `x=(sqrt(2mgh))/k`
`=(sqrt(2xx(0.04kg)xx(9.8m/s^2)xx(4.9m)/((400N/m)))`
`9.8cm`
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