Question

calculate the mass of a body of density 7.5g/cm³​

Answer 1

Answer:

Divide the object's weight by the acceleration of gravity to find the mass. You'll need to convert the weight units to Newtons. For example, 1 kg = 9.807 N. If you're measuring the mass of an object on Earth, divide the weight in Newtons by the acceleration of gravity on Earth (9.8 meters/second2) to get mass.

Answer 2

mass of material = 40 × 7.5. ( in gram )

= 300

1 kg = 1000 g

300/1000 = 0.3 kg