☰
✕

Units and Measurement
Question
Wired Faculty App

Fill up 3.0 m/s2 = ___km/hr2

Answer

Here we have to convert m/s2 into km/h2

1 km = 1000 m

1 m = 10-3 km

1 hour = 60 min = 60 × 60 sec
or 1 sec =   h

Substituting the above values

3 m s-2 = 3 × 10-3 km ×   h-2

= 38880 km-h-2h

= 3.88 × 104 km h-2

Sponsor Area

Some More Questions From Units and Measurement Chapter

What are the two main required characteristics of a unit?

Can we use same units for different physical quantities?

Can we use different units to measure same physical quantity?

To measure a physical quantity X, the unit U is repeatedly used for n times. What is the magnitude of physical quantity?

Does the numerical factor in the quantitative measurement depend on the system of unit used?

Is one unit sufficient to measure a physical quantity?

Can a physical quantity have two or more units? Give example.

What are fundamental quantities?