Advertisements
Advertisements
प्रश्न
Explain the meaning of the term speed.
Advertisements
उत्तर
The distance covered or travelled by a body in one second is called the speed of the body, i.e.
Speed = `"Distance travelled "/"Time taken"`
Speed is usually denoted by the symbol v.
If a body travels a distance d in time t , then its speed is given as
Speed (v) = `d/t`
APPEARS IN
संबंधित प्रश्न
Select the correct alternative
A block of wood of density 0.8 g cm-3 has a volume of 60 cm3. The mass of block will be :
The density of copper is 8.9 g cm-3. What will be its density in kg m-3 ?
Convert the following quantity as indicated :
12 inch = ft
The diagram below shows a stick placed along a metre RULER. The length of the stick is measured keeping the eye at positions A, B, and C.

Answer the following in detail.
What are the fundamental physical quantities? Name any three fundamental physical quantities.
State if the following statement is true or false. Correct the statement if it is false.
The error in reading a scale due to the wrong positioning of the eye is called human error.
State if the following statement is true or false. Correct the statement if it is false.
1 m = 10,000 cm3
Answer the following in a word or two or in a sentence.
Write the formula for finding the average of a given set of observations.
Answer the following in detail.
Explain in detail why railways and airlines use the 24-hour clock format.
Match the following:
| Column I | Column II | |
| 1. | FPS | Metre, kilogram, and second |
| 2. | CGS | Foot, pound, and second |
| 3. | MKS or SI | centimeter, gram, and second |
