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50 numerical and answer from motion. Class 9 physics?
50 Numerical and Answers from Motion in Class 9 Physics
Introduction
Motion is the movement of an object from one place to another. It is a fundamental concept in physics and is studied in depth in class 9. Here are 50 numerical and answers from motion in class 9 physics.
1. What is motion?
Answer: Motion is the change in position of an object with respect to time.
2. What is the SI unit of distance?
Answer: The SI unit of distance is meter (m).
3. What is the SI unit of time?
Answer: The SI unit of time is second (s).
4. What is the SI unit of speed?
Answer: The SI unit of speed is meter per second (m/s).
5. What is the formula for speed?
Answer: Speed = Distance/Time
6. A car travels a distance of 100 m in 10 seconds. What is its speed?
Answer: Speed = Distance/Time = 100/10 = 10 m/s
7. What is the formula for average speed?
Answer: Average Speed = Total Distance/Total Time
8. A car travels a distance of 100 m in 10 seconds and then travels a distance of 50 m in 5 seconds. What is its average speed?
Answer: Total Distance = 100 + 50 = 150 m
Total Time = 10 + 5 = 15 s
Average Speed = Total Distance/Total Time = 150/15 = 10 m/s
9. What is velocity?
Answer: Velocity is the speed of an object in a specific direction.
10. What is the formula for velocity?
Answer: Velocity = Displacement/Time
11. A car travels a distance of 100 m towards the east and then travels a distance of 50 m towards the west. What is its displacement?
Answer: Displacement = Final Position - Initial Position = -50 m
12. A car travels a distance of 100 m towards the east in 10 seconds and then travels a distance of 50 m towards the west in 5 seconds. What is its average velocity?
Answer: Displacement = 100 - 50 = 50 m towards the east
Total Time = 10 + 5 = 15 s
Average Velocity = Displacement/Total Time = 50/15 = 3.33 m/s towards the east
13. What is acceleration?
Answer: Acceleration is the rate of change of velocity with respect to time.
14. What is the formula for acceleration?
Answer: Acceleration = (Final Velocity - Initial Velocity)/Time
15. A car increases its velocity from 10 m/s to 20 m/s in 5 seconds. What is its acceleration?
Answer: Acceleration = (20 - 10)/5 = 2 m/s^2
16. What is the formula for average acceleration?
Answer: Average Acceleration = (Final Velocity - Initial Velocity)/(Total Time)
17. A car increases its velocity from 10 m/s to 20 m/s in 5 seconds. What is its average acceleration?
Answer: Average Acceleration = (20 - 10)/(5) = 2 m/s^2
18. What is the formula for distance travelled during uniform acceleration?
Answer: Distance Travelled = (Initial Velocity x Time) + (1/2 x Acceleration x Time^2)
19. A
Introduction
Motion is the movement of an object from one place to another. It is a fundamental concept in physics and is studied in depth in class 9. Here are 50 numerical and answers from motion in class 9 physics.
1. What is motion?
Answer: Motion is the change in position of an object with respect to time.
2. What is the SI unit of distance?
Answer: The SI unit of distance is meter (m).
3. What is the SI unit of time?
Answer: The SI unit of time is second (s).
4. What is the SI unit of speed?
Answer: The SI unit of speed is meter per second (m/s).
5. What is the formula for speed?
Answer: Speed = Distance/Time
6. A car travels a distance of 100 m in 10 seconds. What is its speed?
Answer: Speed = Distance/Time = 100/10 = 10 m/s
7. What is the formula for average speed?
Answer: Average Speed = Total Distance/Total Time
8. A car travels a distance of 100 m in 10 seconds and then travels a distance of 50 m in 5 seconds. What is its average speed?
Answer: Total Distance = 100 + 50 = 150 m
Total Time = 10 + 5 = 15 s
Average Speed = Total Distance/Total Time = 150/15 = 10 m/s
9. What is velocity?
Answer: Velocity is the speed of an object in a specific direction.
10. What is the formula for velocity?
Answer: Velocity = Displacement/Time
11. A car travels a distance of 100 m towards the east and then travels a distance of 50 m towards the west. What is its displacement?
Answer: Displacement = Final Position - Initial Position = -50 m
12. A car travels a distance of 100 m towards the east in 10 seconds and then travels a distance of 50 m towards the west in 5 seconds. What is its average velocity?
Answer: Displacement = 100 - 50 = 50 m towards the east
Total Time = 10 + 5 = 15 s
Average Velocity = Displacement/Total Time = 50/15 = 3.33 m/s towards the east
13. What is acceleration?
Answer: Acceleration is the rate of change of velocity with respect to time.
14. What is the formula for acceleration?
Answer: Acceleration = (Final Velocity - Initial Velocity)/Time
15. A car increases its velocity from 10 m/s to 20 m/s in 5 seconds. What is its acceleration?
Answer: Acceleration = (20 - 10)/5 = 2 m/s^2
16. What is the formula for average acceleration?
Answer: Average Acceleration = (Final Velocity - Initial Velocity)/(Total Time)
17. A car increases its velocity from 10 m/s to 20 m/s in 5 seconds. What is its average acceleration?
Answer: Average Acceleration = (20 - 10)/(5) = 2 m/s^2
18. What is the formula for distance travelled during uniform acceleration?
Answer: Distance Travelled = (Initial Velocity x Time) + (1/2 x Acceleration x Time^2)
19. A
Community Answer
50 numerical and answer from motion. Class 9 physics?
A morning walker completes his walk of 5 km in 1 hour. Find his average speed of walk.
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