Solutions to the Quiz on Conversions
In Brief
This page includes solutions to the set of questions related to the
Conversions.
This helps learners to ensure their learning on
aspects of physics in general but also questions on how to convert units already mentioned in
the quiz section.
Question 1:
5 nm = .............. km
- 5 × 10− 12
- 5 × 1012
- 50 × 10− 12
- 25 × 10− 12
Answer: 5 x 10-12
Question 2:
An object has a density of 5.12 g/cm3.
Convert this density to kilograms per cubic meter (kg/m3)
- 6.12 x 103 kg/m3
- 5.12 x 103 kg/m3
- 5.12 x 104 kg/m3
- 5.12 kg/m3
Answer: 5.12 x 103 kg/m3
Question 3:
Express 100 mph (miles per hour) in meters per second (m/s). Note that 1 mile (mi) = 1609 m.
- 45.7 m/s
- 44.7 m/s
- 47.7 m/s
- 41.7 m/s
Answer: 44.7 m/s
Question 4:
The conversion 30 m/s into km/h is:
- 109 km/h
- 107 km/h
- 108 km/h
- 110 km/h
Answer: 108 km/h
Question 5:
A kilogram is a measure of an object's is:
- speed
- acceleration
- velocity
- mass
Answer: mass
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