If the density and volume of an object is known, what can also be found?

a) the mass of the object
b) the shape of the object
c) the size of the object
d) the thickness of the object

The correct answer is option A.

Explanation:

Density is defined as mass of the substance present in the unit volume of the substance.

If density is known and volume is known one can easily determine the mass of the given substance.

what was the acceleration of the 2 kg cart?

⇒ 16.0 cm/s2

what was the acceleration of the 4 kg cart?

⇒ 8.1 cm/s2

what was the acceleration of the 6 kg cart?

⇒ 5.3 cm/s2

6 cos 34, 6 sin 34 trig