Advertisements
Advertisements
प्रश्न
How long a train will take to travel a distance of 200 km with a speed of 60 km h-1 ?
Advertisements
उत्तर
Distance covered by train = 200 km
Speed of train = 60 km h-1
We know speed = `"Distance" / "Time "`
⇒ 60 = `200/"Time" `
Time = `200/60` = `20/6` `10/3` hours
= 3`1/3` hours = 3 h + `1/3` hours
= 3 h + `1/3` × 60 min
= 3 h + 20 min
= 3h 20 min
APPEARS IN
संबंधित प्रश्न
Select the correct alternative:
The symbol of degree celsius is
Convert the following quantity as indicated:
5 mg = ………. kg
Name two devices used to measure the short time interval of an event.
Answer the following in detail.
Explain in detail why there was a need to standardize units.
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.
which is the most suitable unit for measuring the volume of a glass filled with water?
Give a reason for the following.
Measuring units are standardized.
Solve the following numerical problem.
20 one – rupee coins are placed one above the other. If their total height is 32 mm, find the thickness of one coin.
Name some of the derived quantities.
Assertion (A): Density is a derived physical quantity
Reason (R): Density cannot be derived from the fundamental physical quantities.
