Question

13. EXPIC
1
UUTUPNent pressure (= 10 Nm) in CGS system.
Ans. 10 dyne cm
14. Using the method of dimensions, check the correctness of the following equations :
(i) v = U+at, s = ut + a t2 and 02-1? = 2 as, where s is the distance travelled by a particle
2
in uniform acceleration a in time t, u are v the initial and the final velocities respectively.
(ii) K =
mv2, where K is the kinetic energy of a body of mass m moving with velocity u.
2
1
1
(iii) Fs = mu? mu2, where s is the distance moved by a body of mass m acted upon by
2
2
a force F, u and v being respectively the initial and the final velocities of the body.​

Answer 1

Answer:

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