Advertisements
Advertisements
प्रश्न
If Boojho covers a certain distance in one hour and Paheli covers the same distance in two hours, who travels at a higher speed?
Advertisements
उत्तर
Boojho moves at a higher speed as he covers the same distance in a lesser time than Paheli.
APPEARS IN
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.
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 body goes from P to Q with a uniform speed of u and immediately returns back to P at a uniform speed of v. What is the average speed for the whole journey?
Is the average speed during different time intervals for a uniform motion the same or different?
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.
Every object moves with a constant speed.
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?
A car starting from rest moves with a uniform acceleration of 0.2 ms-2 for 3 min. Find the
- speed acquired
- the distance traveled.
Distinguish between speed and velocity.
