Advertisements
Advertisements
प्रश्न
If we denote speed by S, distance by D and time by T, the relationship between these quantities is ______.
विकल्प
S = D × T
T = `"S"/"D"`
S = `1/"T" xx "D"`
S = `"T"/"D"`
Advertisements
उत्तर
If we denote speed by S, distance by D and time by T, the relationship between these quantities is `underlinebb(S = 1/T xx D)`.
Explanation:
Speed (S) is calculated as the distance (D) traveled divided by the time (T) taken to travel that distance.
Therefore, the correct formula is `S = D/T`
APPEARS IN
संबंधित प्रश्न
What can you say about the motion of an object if its speed-time graph is a straight line parallel to the time axis?
Show the shape of the distance-time graph for the motion in the following case:
A car moving with a constant speed.
Figure shows the distance-time graph for the motion of two vehicles A and B. Which one of them is moving faster?

Figure: Distance-time graph for the motion of two cars
What conclusion can you draw about the speed of a body from the following distance-time graph ?

Fill in the following blank with suitable word :
The slope of a speed-time graph of a moving body gives its………………………..
A car is travelling at 20 m/s along a road. A child runs out into the road 50 m ahead and the car driver steps on the brake pedal. What must the car’s deceleration be if the car is to stop just before it reaches the child ?
A body moves along a straight road with a speed of 20 m/s and has a uniform acceleration of 5 m/s2. What will be its speed after 2 s?
The slope of the distance-time graph at any point gives______.
The slope of the distance-time graph indicates the speed.
Assertion: The position-time graph of a uniform motion in one dimension of a body can have a negative slope
Reason: When the speed of the body decreases with time then, the position-time graph of the moving body has a negative slope.
