Question

the distance b. the displacement the acceleration the speed
TL, In which of the following cases of motions, the distance moved and the magnitude of displacement
are equal?
a. If the car is moving on straight rond
b. If the car is moving in circular path
c. The pendulum is moving to and fro
d. The earth is revolving around the Sun
12. Which of the following figures (see below Figure)
represents uniform motion of a moving object
correctly?
Time (s)-
Times
SHORT ANSWER QUESTIONS
1. Can a displacement be zero even when distance is not zero?
2. Can the distance travelled by an object be smaller than magnitude of its displacement?
3. A particle is moving with uniform velocit. What is its acceleration?
4. How can you get speed of an object from its distance-time graph?
5. How can you get distance of an object from its speed-time graph?
6. A brick & an elephant are in free fall. What is common in their motion?
7. When an object is thrown vertically upwards. What is its velocity at the highest point?
8. Can velocity & acceleration in opposite directions?
9. What is non uniform motion?
10. The displacement of a moving object in a given interval of time is zeto. Would the distance travelled
by the object also be zero? Justify you answer.
11. How will the equations of motion for an object moving with a uniform velocity change?
12. A motorcyclist drives from A to B with a uniform speed of 30 km/h and returns back with a speed of
20 km/h. Find its average speed.
13. The velocity-time graph (see below Figure) shows the motion of a
cyclist. Find (i) its acceleration (11) its velocity
Velocity (ms)
8 10 15 20 25
Time (s)
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Answer 1

Answer:

discharge of 500 cumecs. The soil properties

are: size of sand particle dia is 0.7 mm and silt factor is 1.47. As per IRC give the value the

minimum depth of scour for the well to be constructed at the site thx okkk