Which of the following could be a speed measurement?
2.5 meters
2.5 meter/seconds
2.5 meters /seconds2
none of these
What is the speed of a rocket that travels 9000 meters in 12.12 seconds?
740.57 m/sec
745.27 m/sec
742. 75 /sec
742.57 m/sec
Acceleration
Speed
Deceleration
Retardation
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 accelaration for a steady increase of velocity from 20 m/s to 50 m/s in 5s.
10 m/s2
20 m/s2
16 m/s2
6 m/s2
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
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.
Final velocity - initial velocity gives?
Total velocity
Distance
Change in velocity
If you drive 275 km in 3.00 hours, what is the velocity?
61 km/h
91.7km/h
94.7km/h
90.7 km/h
The space shuttle releases a space telescope into orbit around the earth. The telescope goes from being stationary to traveling at a speed of 1700 m/s in 25 seconds. What is the acceleration of satellite?
68 m/sec2
58 m/sec2
78 m/sec2
48 m/sec2