Advertisements
Advertisements
Question
Draw a velocity-time graph for the free fall of a body under gravity starting from rest. Take g = 10m s-2
Advertisements
Solution
Below is the velocity-time graph for the free fall of a body under gravity, starting from rest:

APPEARS IN
RELATED QUESTIONS
Name the two quantities, the slope of whose graph give acceleration.
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.
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 type of motion is represented by the following graph ?

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.
From the velocity – time graph given below, calculate Average velocity in region CED.

Represent the location of an object described as at 15 m, 45o west of north, on a graph paper.
How will you use a speed-time graph to find whether the acceleration of the body is uniform or not?
Draw velocity-time graph to show:
Zero acceleration
Write a sentence to explain the shape of graph.
From the v-t graph, ______ can be calculated.
