Question

PLEASE HELP ME ! I'm struggling so much with my hmwk this week and needs help!

2.5 m³ of granite has a mass of 6725 kg.
a) Calculate the density of granite in kg/m
b) Find the mass of 1.3 m³ of granite in kg.​

Answer 1

Below

Explanation:

a) Density = mass/ volume

you are given mass ( 6725kg) and volume (2.5 m^3) and you want

kg / m^3 this would be 6725 kg / 2.5 m^3 = 2690 kg/m^3

b) given density = 2690 kg/m^3 multiply by m^3 to get kg

2690 kg / m^3 * 1.3 m^3 = 3497 kg