Advertisements
Advertisements
प्रश्न
What type of motion is represented by the following graph ?
Advertisements
उत्तर
Graph (d) represents non-uniformly retarding as it has a varying slope.
APPEARS IN
संबंधित प्रश्न
What is the quantity which is measured by the area occupied below the velocity-time graph?
The speed-time graph of an ascending passenger lift is given alongside. What is the acceleration of the lift:
(1) during the first two seconds ?
(2) between second and tenth second ?
(3) during the last two seconds ?
A car of mass 1000 kg is moving with a velocity of 10 m s−1. If the velocity-time graph for this car is a horizontal line parallel to the time axis, then the velocity of car at the end of 25 s will be :
Draw a velocity-time graph for the free fall of a body under gravity starting from rest. Take g = 10m s-2
Draw velocity – time graph for the following situation:
When a body, is moving with uniform velocity.
A train starting from rest picks up a speed of 20 ms−1 in 200 s. It continues to move at the same rate for the next 500 s and is then brought to rest in another 100 s.
- Plot a speed-time graph.
- From graph calculate
(a) uniform rate of acceleration
(b) uniform rate of retardation
(c) total distance covered before stopping
(d) average speed.
How will you use a speed-time graph to find whether the acceleration of the body is uniform or not?
Which of the following graphs represents a motion with negative acceleration?
Figure shows displacement- time graph of two objects A and B moving in a stra ight line. Which object is moving fa ster?
Figure shows the distance-time graph of three students A, B and C. On the basis of the graph, answer the following :
When B meets A, where is C?
