Question

hence the w body with Wyghple 2.16 The St unit of energy is form 2. at acceleration a is m$ 2. Which of the kg m's ? that of speed vis ms and formulae for kinetic energy (K) given below dimensional arguments (m stands for the can you rule out on the basis of nas mass of the body): lal K = 771 (b) K= (1/2)m Ick=ma (d) X = (3/16)mv le) K = (1/2)mv + ma ont formula or equation must​

Answer 1

• answer
• The dimensional formula for K.E is [M¹L²T-2] According to the principle of homogeneity of dimensional analysis, the dimensions of each term on both the sides of correct formula or equation will be the same. The dimensions of quantity on R.H.S of different quantities are (a) [M²L³T-³] (b) [M¹L²T-2] (c) [M¹L¹T-2] (d) [M¹L²T-2] (e) [M¹L²T-2] + [M¹L¹T-2] Since dimensional formula of the R.H.S of (a), (c) and both the terms of R.H.S of (e) are not the same as that of L.H.S i.e., [M¹L²T2] .. the formulae (a), (c) and (e) are ruled out dimensionally.
• I hope you help

Answer 2

Explanation:

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