Conversion of units, density and weight

380 cm = …………………….. m

• 0.380
• 3.8

• 38

0.021 kg = …………………… g

• 0.21

• 2.1

• 21

9081 m = …………………….. km

• 908.1

• 90.81

• 9.081

• 0.9081

79 mm = ……………………… cm

• 7.9

• 0.79

The gravitational field strength g, on Earth and the Moon are 10 N/kg and 1.7 N/kg respectively. A dog, which has a mass m of 12 kg on the Earth, is sent to the Moon. Determine the weight of the dog on Earth.

• 0. 0.12 N

• 120 N

• 1200 N

The gravitational field strength g, on Earth and the Moon are 10 N/kg and 1.7 N/kg respectively. A dog, which has a mass m of 12 kg on the Earth, is sent to the Moon. Determine the weight of the dog on Moon.

• 0.24 N

• 2.04 N

• 20.4 N

The gravitational field strength g, on Earth and the Moon are 10 N/kg and 1.7 N/kg respectively. A cat, which has a mass m of 10 kg on the Earth, is sent to the Moon. Determine the mass of the cat on moon.

• 100 kg

• 10 kg

• 1 kg

A student was given an regular object of density 4 g/cm³. What is the mass of the object if it has a volume of 2 cm³ ?

• 2 g

• 8 g

A student was given an cube of density 1 g/cm³. What is the mass of the cube if one side of the cube has a length of 2 cm ?

• 1 g

• 2 g

• 8 g

Briefly describe what you can do to determine the volume of an irregular object with a mass of 5 g.