2.1-analysinganalysing linear motionlinear motion

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2.1: Analysing Linear Motion 1 . A cow walked along a curved path from P to Q which is 70 m away from P. Q the distance travelled by the cow is 240 m and the time taken is 160 s. Calculate from P to Q the a . Average speed, b . Average velocity 2 . The diagram below shows the path travelled by a car from P to S. What is the magnitude of the displacement of the car? 3 . A van accelerates uniformly from a velocity of 10 ms -1 to 20 ms -1 in 2.5 s. what is the acceleration of the van? 4 . A car travelling at 24 ms -1 slow down when the traffic light turned red. After undergoing decelaration for 4 s, it stopped in front of the traffic light. Calculate the acceleration of the car. 5 . A trolley pulled a ticker tape through a ticker timer while moving down an inclined plane. Figure below shows the ticker tape produce. Determine the average velocity of the trolley. 6 . Figure below shows ticker tapes produced from the motion of a trolley. Decribe the type of motion of the trolley for each ticker tape. a . b . c .

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2.1: Analysing Linear Motion

1.

A cow walked along a curved path from P to Q which is 70 m away from P. Q the distance travelled by the cow is 240 m and the time taken is 160 s.

Calculate from P to Q thea. Average speed,

b. Average velocity

2.

The diagram below shows the path travelled by a car from P to S.

What is the magnitude of the displacement of the car?

3.

A van accelerates uniformly from a velocity of 10 ms-1 to 20 ms-1 in 2.5 s. what is the acceleration of the van?

4.

A car travelling at 24 ms-1 slow down when the traffic light turned red. After undergoing decelaration for 4 s, it stopped in front of the traffic light. Calculate the acceleration of the car.

5.

A trolley pulled a ticker tape through a ticker timer while moving down an inclined plane. Figure below shows the ticker tape produce.

Determine the average velocity of the trolley.

6.

Figure below shows ticker tapes produced from the motion of a trolley.

Decribe the type of motion of the trolley for each ticker tape.a.

b.

c.

7. A train travelling in a straight line at 30 ms-1 accelerates uniformly to 54 ms-1 in 3.0 seconds. Calculate the distance travelled by the train during that time.

2.1: Analysing Linear Motion

8.

A trolley travelled down an inclined plane pulling along a ticker tape. Figure below shows a chart formed by cutting and arranging the ticker tape into strips of ten ticks each.

Determine the acceleration of the trolley.

9.

A long jumper was running at a velocity 5 ms -1 towards the long jump pit. He needed to achieve a velocity 10 ms-1 after covering a distance of 4.5 m before lifting himself off the ground from the jumping board.

a. Calculate the required acceleration for him to do so.

b. Calculate the time taken for him to cover the horizontal distance 4.5 m.

10. A car is travelling with a uniform velovity of 80 kmh-1 northward from Johor Bahru. What is the displacement after 15 minutes?

11. Figure below shows a chart representing the movement of a trolley with unoform acceleration.

Determine its acceleration.

12. A school bus accelerates with an acceleration of 4.0 ms-2 after picking up some students at a bus stop.

Calculate thea. Velocity of the bus after 5 s.

b. Distance travelled by the bus after 5 s.

13. Figure below shows a strip of ticker tape depicting the motion of a toy car with uniform acceleration.

Determine the acceleration of the toy car.

2.1: Analysing Linear Motion

14. Diagram below show tha path travelled by Linda from J to M.

What is her displacement?

15. The figure below shows the path travelled by Mansor from point A to C. He tooks 2 hours to travel from point A to point B and 3 hours from point B to point C.

Finda. The velocity from A to B.

b. The velocity from B to C

c. The average velocity of the whole journey.

16. A car is moving woth constant velocity fo 50 ms-1 increases its velocity to 80 ms-1 in 2 s.

What is the acceleration of the car?

17. A car starts off at 5 ms-1 and accelerates at 4 ms-2 for 10 s. What is its final velocity?

18. The figure below shows two tapes depicting the motion of two trolleys, A and B.

Determine which trolley is faster.

19. The figure below shows two tapes for the motion of two trolleys, P and Q.

Find the acceleration ofa. Trolley P

b. Trolley Q

2.1: Analysing Linear Motion

20. The ticker tape below shows the motion of a trolley travelling from one point to another.

Calculate the acceleration of the trolley.

21. The figure below shows the chart of the motion of a trolley.

What is the aceleration of the trolley?

22. A car travelling at 20 ms-1 stops after a distance of 30 m. what is its deceleration?

23. The figure below shows a car slowing down from 60 ms-1 in 9 s.

What is the deceleration of the car?

24. Diagram 1 shows a chart of ticker tape obtained from atrolley moving on a plane. Each strip ticker tape contains 10 ticks. The frequency of the ticker tape is 50 Hz.

a. Describe the motion of the trolley.

b. What is the time take for the whole 6 strips of 10 ticks on the ticker tape?

c. What is the initial velocity of the trolley?

d. What is the final velocity of the trolley?

e. What is the average velocity for the whole motion of the trolley?

f. Calculate the acceleration of the trolley.

2.1: Analysing Linear Motion

25. During class activity, Hasim walks 20 m to the east. He reverse his direction and walks 12 m. after that he reverses his direction again to walk another 10 m. if the total time taken is 30 s, calculatea. His speed

b. His velocity

26. A speedboat moves due north for 12 km before turning to the east for 8 km. later, the speedboat moves to the south for another 6 km.a. What is the displacement of the speedboat

from its original position?

b. Find its average velocity if the time taken is 30 minutes.

27. Find the acceleration or deceleration for the tape charts below. The ticker tape in use vibrates at frequency 50 Hz.a.

b.

c.

d.

28.

If the frequency used is 50 Hz and the acceleration is 30 cms-1, calculate the length of the sixth strip.

2.1: Analysing Linear Motion

29. A sport car accelerates from rest and covers a distance of 90 m in 6 s. what is its acceleration?

30. A cyclist starts from restand reaches a velocity of 20 ms-1 in 8 s. Calculates his acceleration.

31. A dart leaves the barrel of a blow pipe of length 1.2 m at a speed of 15 ms-1. Find the time taken for the dart to travel in the barrel.

32. Daniel is driving his car at a constant velocity of 20 ms-1. He steps on his brakes to reduce the velocity to 10 ms-1 after travelling 30 m. Calculate the deceleration and the distance travelled before the car stops.

33.

If the plane can accelerate at 3 ms-1, calculate the minimum length of the run away.

34.

Find the acceleration before the baseball is released.