Question

The density of a solid is 4.2 ×10^3 kg m^−3 , the weight of that body whose volume is 2m^3 will be__________

(A) 8.4 kgwt (B) 8.4 ×10^4 kgwt (C) 8.4 ×10^5 kgwt (D) 8.4 ×10^7 kgwt

Answer 1

weight = density * volume = 4.2 * 10^3 * 2 = 8.4 * 10^3  kg