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Q5

Dear student,
(a)

(a) E = m c [M L^{2} T^{- 2}] = [M^{1} L^{0} T^{0}] [M L^{2} T^{- 2}] = [M^{1 + 0} L^{0} T^{0}] N o w c o m p a r e t h e p o w e r w e g e t d i m e n s i o n o f b o t h s i d e i s n o t s a m e a n d e q u a t i o n i s a l s o w r o n g . (b) D i m e n s i o n i s s a m e b u t e q u a t i o n i s w r o n g A r e a o f s q u r e = p e r i m e t e r o f s q u a r e \times l e n g t h o f o n e s i d e a^{2} = 4 a \times a [M^{0} L^{2} T^{0}] = [M^{0} L^{2} T^{0}] D i m e n s i o n s a m e b u t e q u a t i o n i s w r o n g .

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