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Class 9 Science Chapter 8 Motion Quiz 7 (25 MCQs)

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1. A body, moving in a straight line, with an initial velocity u and a constant acceleration a, covers a distance of 40 m in the 4$^{th}$ second and a distance of 60 m in the 6$^{th}$ second. The values of u and a respectively are
2. What is the least distance between the starting and ending points?
3. A man walks on a straight road from his home to market 2.5 km away with a speed of 5 km/h. Finding the market closed, he instantly turns and walks back home with a speed of 7.5 m/h.The average speed of the man over the interval of time 0 to 40 min is equal to
4. During an experiment, a signal from the spaceship reached the ground station in five min. What was the distance of the spaceship from the ground? The signal travels at the speed of 3*10$^{8}$m/s$^{2}$
5. The measure of how quickly something moves or the distance it moves in a given amount of time is called
6. A body travels from position A to position B with a velocity of 40 m/s and return from B to A with a velocity of 40 m/s. Then average speed of the body is:
7. Can uniform linear motion be accelerated?
8. How can you find the distance around a circle?
9. The speed of a moving object is determined to be 108 km/h. This speed is equal to:
10. The velocity of an object is its
11. Slope of distance time graph represents-
12. A vehicle travels 2345 m in 315 s toward the evening sun. What is its speed?
13. Find the velocity of a plane that traveled 3000 miles west in 5 hours.
14. The slope of speed-time graph gives
15. A man walks 10 meters east and 5 meters west. What was his displacement?
16. Velocity has speed and direction.
17. Acceleration:is the rate of change in .....
18. What is the equation for position-time relation
19. An object travels 40m in 5 sec and then another 80m in 5 sec. What is the average speed of the object?
20. A man travels a distance of 20 km from his home to office, and 10 km towards his house back. Then the displacement covered by the man in the whole trip is
21. What is the metric unit for speed?
22. What is the slope of the body when it moves with uniform velocity?
23. A car of mass 1000 kg is moving with a velocity of 10 m/s. If the velocity-time graph for this car is a horizontal line parallel to the time axis, then the velocity of the car at the end of 25 s will be:
24. Is any push or pull.
25. The formula to determine speed is
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