Advertisements
Advertisements
प्रश्न
What does the slope of a displacement-time graph represent?
Advertisements
उत्तर
Slope of a displacement-time graph represents velocity.
APPEARS IN
संबंधित प्रश्न
Draw a velocity-time graph to show the following motion :
A car accelerates uniformly from rest for 5 s ; then it travels at a steady’ velocity for 5 s.
The velocity-time graph for part of a train journey is a horizontal straight line. What does this tell you about the trains velocity.
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 ?
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 ?
Draw a velocity-time graph for the free fall of a body under gravity starting from rest. Take g = 10m s-2
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.?
What can you conclude if the speed-time graph of a body is a straight line sloping upwards and not passing through the origin?
Draw velocity-time graph to show:
Deceleration
Write a sentence to explain the shape of graph.
State whether true or false. If false, correct the statement.
The velocity – time graph of a particle falling freely under gravity would be a straight line parallel to the x axis.
The area under the v-t graph represents a physical quantity that has the unit.
