Average Speed
Trending Questions
An auto travels with a uniform speed u for the first half duration and the next half duration with a uniform speed v. Find its average speed.
2uv
uv
- 30 minutes
- 60 minutes
- 50 minutes
- 70 minutes
It was a rainy day in Bangalore. Rohit was sitting besides the window when he saw a lightning. He started his stop watch. He found that after 22 seconds of lightning its roaring was heard. Calculate the height of the clouds which caused this lightning. Given, speed of light = 3×108 ms−1 and speed of sound = 340 ms−1.
- 8.5 km
- 10 km
- 7.5 km
- 5 km

- 2V
- 6V
- 3V
- V2
A particle is moving from point A to point B and covers the entire distance of 10 km in just 2 minutes. What would be the speed at which the particle was traveling?
53.3 ms−1
83.3 ms−1
90.3 ms−1
80.3 ms−1
- 13:5
- 17:12
- 12:5
- 17:13
- 50 ms−1
- 56 ms−1
- 70 ms−1
- 60 ms−1
Time is a
- might be accelerated
- must be accelerated
- has a constant velocity
- cannot be accelerated
A satellite is orbiting earth at a distance of 42000 km in a circular orbit. It completes one revolution in 24 hours. Calculate its linear speed.
10990 km/hr
10890 km/hr
11000 km/hr
11880 km/hr