Rajah menunjukkan sebuah troli bergerak ke bawah satu condong. jangka masa detik bergetar pada frekuensi 50 Hz.
Diagram shows the thicker tape A produce by the trolley moving down the inclined plane which inclined at an angle α.
Rajah menunjukkan pita detik A dihasilkan apabila troli bergerak ke bawah satah condong yang dicondongkan pada sudut α.
Diagram shows the ticker tape B produced by the trolley moving down the inclined plane which inclined at angle β.
Rajah menunjukkan pita detik B dihasilkam apabila troli bergerak ke bawah satah condong pada sudut β.
(a) What is the time for one tick?
berapakah masa untuk satu detik?
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(b) Compare the velocity of the trolley in tick P and Q. Explain your answer.
Bandingkan halaju pada detik P dan Q. Jelaskan jawapan anda.
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(c) Which ticker tape shows a motion with a greater acceleration? Explain your answer.
Pita detik yang manakah menunjukkan pecutan yang paling tinggi? Jelaskan jawapan anda.
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(d) Compare the angle of inclination, α and β.
Bandingkan sudut condongan, α dan β.
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Answer:
0.02 s
Velocity at tick Q is greater than tick P because the rate of change of displacement for tick Q is greater than tick P
Halaju detik Q lebih besar berbanding di detik P sebab kadar perubahan sesaran di Q adalah lebih besar berbanding P
Ticker tape B has greater acceleration than ticker tape A because the rate of change of velocity for ticker tape B is bigger than A
Pita detik B mempunyai pecutan lebih tinggi berbanding pita detik A kerana kadar perubahan halaju bagi pita detik B lebih besar berbanding A
β is greater than α
β lebih besar berbanding α