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
Fill in the blank
1 g cm-3 = _______ kg m-3.
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.
Express 15 m s-1 in km h-1.
What is measurement? How is a measurement expressed?
Answer the following in detail.
State some common rules to write SI units correctly.
Solve the following numerical problem.
Express 2.25mincm?
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.
Solve the following numerical problem.
A piece of wire is wound around a pencil 60 times. If the total width of all the turns is 4 cm, find the diameter of the wire.
Explain giving examples.
Vector quantity
Match List I with List II.
| List I | List II | ||
| A. | Torque | I. | Nms-1 |
| B. | Stress | II. | J kg-1 |
|
C. |
Latent Heat | III. | Nm |
|
D. |
Power | IV | Nm-2 |
Choose the correct answer from the options given below:
