Advertisements
Advertisements
Question
Name the two quantities, the slope of whose graph give speed .
Advertisements
Solution
The slope of the graph of distance v/s time gives speed.
APPEARS IN
RELATED QUESTIONS
What is the nature of the distance-time graphs for uniform and non-uniform motion of an object?
Which of the following distance-time graphs shows a truck moving with speed which is not constant?
What does the slope of a distance-time graph indicate ?
A cyclist is travelling at 15 m s-1. She applies brakes so that she does not collide with a wall 18 m away. What deceleration must she have ?
The graph given alongside shows the positions of a body at different times. Calculate the speed of the body as it moves from :
(1) A to B,
(2) B to C, and
(3) C to D.
A spaceship is moving in space with a velocity of 60 kms−1. It fires its retro engines for 20 seconds and velocity is reduced to 55 kms−1. Calculate the distance travelled by a spaceship in 40 s, from the time of firing of the retro- rockets.
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?
Write down the type of motion of a body in each of the following distance time-graph.
Boojho goes to the football ground to play football. The distance-time graph of his journey from his home to the ground is given in the figure.
- What does the graph between points B and C indicate about the motion of Boojho?
- Is the motion between 0 to 4 minutes uniform or non-uniform?
- What is his speed between 8 and 12 minutes of his journey?
What do you infer if
- Distance – time graph is a straight line.
- The velocity-time graph is curved.
- Displacement time is zigzag.
