Average speed is:
A measure of how fast something is moving
The distance covered per unit of time
Always measured in terms of a unit of distance divided by a unit of time
All of the above
A dragster in a race accelerated form stop to 60 m/s by the time it reached the finish line. The dragster moved in a straight line and travelled from the starting line to the finish line in 8.0 sec. What was the acceleration of dragster?
5.7 m/sec2
7.5 m/sec2
6.5 m/sec2
5.5 m/sec2
A train moving with a uniform speed covers a distance of 1200 m in 20 s. Calsulate the time taken to cover 3000 m.
55 seconds
50 seconds
60 seconds
5 seconds
Which produces small dots on the ticker tape at intervals of 1/50 second, using a very small needle like object.
Motion sensor.
Ticker tape timer.
Both A and B.
None of these.
What is the average speed when a car travels 100 km is 5 hours?
10 km/h
50 km/h
20 km/h
15 km/h
What is the speed of a walking person in m/s if the person travels 1000 m in 20 minutes?
8.3 m/sec
803 m/sec
833 m/sec
0.83 m/sec
What is the speed of an object having a displacement of 15 meters in 3 seconds?
5m/second
10 m/second
15 m/second
20m/second
What is the average velocity of a car that moved 40 km East and 80 km West in 2 hours?
5 km/h
How many seconds will it take for a satellite to travel 450 km at a rate of 120 m/s?
3570 sec.
3750 sec
3700 sec
3550 sec
A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?
3.6 km/hr
7.2 km/hr
8.4 km/hr
10 km/hr