Advertisements
Advertisements
प्रश्न
Diagram shows a velocity – time graph for a car starting from rest. The graph has three sections AB, BC and CD.

Compare the distance travelled in section BC with the distance travelled in section AB.
Advertisements
उत्तर
`"Distance travelled in part BC"/"Distance travelled in part AB"=("v"_0xx"t")/(1/2xx"t"xx"v"_0)=2/1=2:1`
APPEARS IN
संबंधित प्रश्न
Show by using the graphical method that: `s=ut+1/2at^2` where the symbols have their usual meanings.
Study the speed-time graph of a car given alongside and answer the following questions:

(i) What type of motion is represented by OA ?
(ii) What type of motion is represented by AB ?
(iii) What type of motion is represented by BC ?
(iv) What is the acceleration of car from O to A ?
(v)What is the acceleration of car from A to B ?
(vi) What is the retardation of car from B to C ?
What does the area of an acceleration – time graph represent?
Given on th e side are a few speed - time graphs for various objects moving along a stra ight line. Refer below figure. (a), (b), (c) and (d).
Which of these graphs represent
(a) Uni form motion
(b) Motion with speed increasing
(c) Motion with speed decreasing and
(d) Motion with speed oscillating.?
Draw the speed-time graph of a body when its initial speed is not zero and the speed increases uniformly with time.
Draw the following graph:
Speed versus time for a stepped motion
Draw the following graph:
Speed versus time for a uniformly retarded motion.
Draw velocity-time graph to show:
Acceleration
Write a sentence to explain the shape of graph.
Sketch the shape of the velocity-time graph for a body moving with:
Uniformly velocity
Draw the distance-time graphs of the bodies P and Q starting from rest, moving with uniform speeds with P moving faster than Q.
