Advertisements
Advertisements
प्रश्न
Paheli and Boojho have to cover different distances to reach their school but they take the same time to reach the school. What can you say about their speed?
Advertisements
उत्तर
Paheli and Boojho have different speeds.
APPEARS IN
संबंधित प्रश्न
The distance between two stations is 240 km. A train takes 4 hours to cover this distance. Calculate the speed of the train.
Do speed and average speed of a body have the same meaning?
Arrange the following speeds in the increasing order:
(i) A bicycle moving with a speed of 36 km/h.
(ii) A car moving with a speed of 2 km/min.
(iii) An athlete running with a speed of 7 m/s.
A car travels from P to Q at a uniform speed of 20 ms-1 and immediately turns back and travels towards Q with a uniform speed of 30 ms-1. What is the average speed for the whole journey?
The average time taken by a normal person to react to an emergency is one fifteenth of a second and is called the 'reaction time'. If a bus is moving with a velocity of 60 km/h and its driver sees a child running across the road, how much distance would the bus had moved before he could press the brakes? The reaction time of the people increases when they are intoxicated. How much distance had the bus moved if the reaction time of the driver were 1/2 s under the influence of alcohol?
A vehicle covers a distance of 400km in 5 hours. Calculate its speed.
Compare speed and velocity
Speed is always positive or zero but never be ______.
A bus travels 54 km in 90 minutes. The speed of the bus is ______.
A spaceship travels 36,000 km in one hour. Express its speed in km/s.
