Advertisements
Advertisements
Question
A car travels with a speed 12 m s”1, while a scooter travels with a speed 36 km h-1. Which of the two travels faster ?
Solution
Speed of car = 12 m s-1
Speed of scooter = 36 km h-1
here, 1 km = 1000 m
1 hr = 3600 sec
∴ Speed of scooter = `(36 × 1000)/3600` 10 ` m s^-1`
∴ Speed of car is more. Car travels faster than scooter .
APPEARS IN
RELATED QUESTIONS
Select the correct alternative
The correct relation for speed is
A solid silver piece is immersed in water contained in a measuring cylinder. The level of water rises from 50 ml to 62 ml. Find the volume of silver piece.
A car travels a distance of 15 km in 20 minute. Find the speed of the car in km h-1.
How long a train will take to travel a distance of 200 km with a speed of 60 km h-1 ?
Express 15 m s-1 in km h-1.
Select the correct alternative:
lO mm is equal to
Name two devices used to measure the short time interval of an event.
Answer the following in detail.
What are the fundamental physical quantities? Name any three fundamental physical quantities.
Who is my companion?
| Group 'A' | Group 'B' | ||
| 1 | Velocity | a | litre |
| 2 | Area | b | kilogram |
| 3 | Volume | c | metre/second |
| 4 | Mass | d | kilogram/cubic metre |
| 5 | Density | e | square metre |
What is the physical quantity? give example.
