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प्रश्न
The correct relation among the following is
विकल्प
Speed = Distance × Time
Speed = Distance / Time
Speed = Time / Distance
Speed = 1 / (Distance × Time)
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उत्तर
Speed = Distance / Time
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संबंधित प्रश्न
The odometer of a car reads 57321.0 km when the clock shows the time 08:30 AM. What is the distance moved by the car, if at 08:50 AM, the odometer reading has changed to 57336.0 km? Calculate the speed of the car in km/min during this time. Express the speed in km/h also.
Which is greater?
(i) 60 km/hr
(ii) 15 m/s
A boy covers half of his journey with a uniform speed of u and the other half with a uniform speed of v. What is the average speed for the whole journey?
A girl had designed a clap switch for a science exhibition that enabled her to switch on or off an alarm just with clapping of hands. While testing her device in a hall, she noticed that once the alarm has sounded it followed with another one due to echo of the clap, that is, the sound reflected by the walls. She recorded the two soundings of alarm with her tape recorder and found out that time difference in between them is 0.1 s. If the distance of the walls be 15 m, calculate the speed of sound.
A train travels the first 30km of its journey at 30km/h. Find the speed it should travel the next 90km to have an average speed of 60km/h.
Distances between two cities are measured in kilometres.
A car increases its speed from 20 km/h to 50km/h in 10 seconds. Its acceleration is ______.
Why did the actual speed differ from the average, speed?
In a 100m race, the winner takes 10s to reach the finishing point. The average speed of the winner is ______.
Assertion: The speed of a body can be Negative.
Reason: If the body is moving in the opposite direction of positive motion, then its speed is Negative.
