Advertisements
Advertisements
प्रश्न
A body falls towards the earth. Does it have positive or negative acceleration?
Advertisements
उत्तर
If a body falls towards earth then it would have a positive acceleration.
APPEARS IN
संबंधित प्रश्न
A body falls freely from a certain height. Show graphically the relation between the distance fallen and square of time. How will you determine g from this graph?
If a body is moving with a constant velocity its acceleration is ______.
Diagram is given below shows velocity – time graph of car P and Q, starting from the same place and in the same direction. Calculate the Acceleration of car P.
A cyclist driving at 36 kmh−1 stops his motion in 2 s, by the application of brakes. Calculate
- retardation
- distance covered during the application of brakes.
What is the SI unit of acceleration?
Can you use the relation [B1]?
The speed of a car increases from 10 km/h to 64 km/h in 10 seconds. What will be its acceleration?
A body has an acceleration of -3.5 ms-2. What is its retardation?
A car is moving with a speed of 50 km/h. One second later, its speed is 55 km/h. What is its acceleration?
Figure represents graphically the velocity of a car moving along a straight road over a period of 100 hours.
Calculate the acceleration along AB and the retardation along BC.
