Advertisements
Advertisements
Question
A car is moving along a straight road at a steady speed. It travels 150 m in 5 seconds:
How far does it travel in 6 seconds ?
Advertisements
Solution
We have to calculate the distance travelled in 6 s.
Distance = (Speed) (Time)
Distance travelled in one second :
= (30) (6) m
= 180 m
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.
An aircraft travelling at 600 km/h accelerates steadily at 10 km/h per second. Taking the speed of sound as 1100 km/h at the aircraft’s altitude, how long will it take to reach the ‘sound barrier’ ?
Which of the following statement is correct regarding velocity and speed of a moving body?
Give an example of the motion of a body moving with a constant speed but with a variable velocity. Draw a diagram to represent such a motion.
From the displacement-time graph of a cyclist given below in the Figure, find The average velocity in the first 4 s.
A train is moving with a velocity of 90 km h-1 . It is brought to stop by applying the brakes which produce a retardation of 0.5 ms-2 Find :
(i) The velocity after 10 s , and
(ii) the time taken by the train to come to rest .
What is the relation between distance and time when the body is moving with variable velocity?
Write down the type of motion of a body along with the A – O – B of the following distance – time graph.
What are the uses of equations of motion?
