CBSE Class 9 Answered
Please can you sent formulas for solving numericals for class 9
Asked by diyavadhwani2004 | 02 Mar, 2019, 10:01: AM
Expert Answer
In motion chapter
v = u +at
v^2 = u^2 + 2as
s = ut+ 1/2 at^2
In Laws if motion
F = ma
P =mv
Impulse = F×t
Work power energy
Kinetic energy = 1/2 mv^2
Potential energy = mgh
Send
Frequency = velocity/wavelength
In echo
2d = v×t
Answered by Ankit K | 02 Mar, 2019, 10:34: AM
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