Advertisements
Advertisements
प्रश्न
Write down the type of motion of a body along with the A – O – B of the following distance – time graph.
उत्तर
Body is in uniform motion i.e. it covers equal distance in equal intervals of time.
APPEARS IN
संबंधित प्रश्न
Under which condition is the magnitude of average velocity equal to average speed ?
Write the formula for acceleration. Give the meaning of each symbol which occurs in it.
A tortoise moves a distance of 100 metres in 15 minutes. What is the average speed of tortoise in km/h ?
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’ ?
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 ?
A train starting from rest moves with a uniform acceleration of 0.2 m/s2 for 5 minutes. Calculate the speed acquired and the distance travelled in this time.
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.
Express 15 m s-1 in km h-1.
A car moving on a straight path covers a distance of 1 km due east in 100 s. What is velocity of the car?