Advertisements
Advertisements
Question
Select the correct alternative
A boy travels a distance 150 m in 1 minute. His speed is
Options
150 m s-1
2.5 m s-1
25 m s-1
9 m s-1
Advertisements
Solution
2.5 m s-1
APPEARS IN
RELATED QUESTIONS
A car travels a distance of 15 km in 20 minute. Find the speed of the car in km h-1.
A car travels a distance of 15 km in 20 minute. Find the speed of the car in m s-1.
Express 36 km h-1 in m s-1
State two characteristics of a unit.
Convert the following quantity as indicated:
2500 g = …....... kg
State if the following statement is true or false:
There are seven base units in the SI system.
State if the following statement is true or false:
Centi mean a hundredth part.
Answer the following in short.
Which institution in the world maintains the guidelines for using the SI units correctly?
Solve the following numerical problem.
Amit dipped a stone tied with a string in a measuring cylinder filled with water. If the initial level of water was 56 mL and after dipping the stone the final level of water was 78 mL, find the volume of the stone.
The density of a material in SI unit is 128 kg m-3. In certain units in which the unit of length is 25 cm and the unit of mass is 50 g, the numerical value of density of the material is _____.
