Centripetal force $\left(F\right)$ on a body of mass $\left(m\right)$ moving with uniform speed $\left(v\right)$ in a circle of radius $\left(r\right)$ depends upon $m,v$ and $r$. Derive a formula for the centripetal force using the theory of dimensions.

Write the following in scientific notation.

(a) $3256 \mathrm{g}$

(b) $0.0010 \mathrm{g}$

(c) $50000 \mathrm{g}$

(d) $0.3204$

Give the number of significant figures in the following-

(a) $0.165$

(b) $4.0026$

(c) $0.0256$

(d) $201$

(e) $0.050$

(f) $2.653\times {10}^4$

(g) $6.02\times {10}^{23}$

(h) $0.0006032$