Question

va rog ajutati-ma dau test si nu stiu sa le fac




dau corona

Answer 1

1. ρ= $\frac{m}{V}$

V= $\frac{m}{ro}$

V= $\frac{0,5}{10000}$

V=0,00005 $m^{3}$

2. ρ= $\frac{m}{V}$

ρ= $\frac{20}{0,5}$

ρ=40 kg/$m^{3}$

3. ρ= $\frac{m}{V}$

m=ρ×V

m=565 kg