Advertisements
Advertisements
Question
What name is given to the speed in a specified direction ?
Solution
Speed of a body in a specified direction is called velocity.
APPEARS IN
RELATED QUESTIONS
Under what condition(s) is the magnitude of average velocity of an object equal to its average speed?
During an experiment, a signal from a spaceship reached the ground station in five minutes. What was the distance of the spaceship from the ground station? The signal travels at the speed of light, that is, 3 × 108m s−1.
What is the SI unit of retardation ?
Convert a speed of 54 km/h into m/s.
The graph given alongside shows how the speed of a car changes with time:
(i) What is the initial speed of the car ?
(ii) What is the maximum speed attained by the car ?
(iii) Which part of the graph shows zero acceleration ?
(iv) Which part of the graph shows varying retardation ?
(v) Find the distance travelled in first 8 hours.
Give one example of following motion :
Uniform velocity
From the displacement-time graph of a cyclist given below in the Figure, find The average velocity in the first 4 s.
Draw a diagram to show the motion of a body whose speed remains constant, but velocity changes continuously.
Write down the type of motion of a body along with the A – O – B of the following distance – time graph.
