SPM BM Phy 03 – Satelit Buatan Manusia
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Question 1 of 15
1. Question
1 point(s)Stesen Angkasa Antarabangsa (ISS) mengorbit Bumi pada ketinggian 408 km.
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Question 2 of 15
2. Question
1 point(s)Satelit MEASAT mudah dilihat kerana saiznya yang besar.
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Question 3 of 15
3. Question
1 point(s)Daya memusat bertindak ke atas satelit dalam orbit membulat ialah daya graviti.
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Question 4 of 15
4. Question
1 point(s)Laju linear satelit meningkat dengan ketinggian orbitnya.
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Question 5 of 15
5. Question
1 point(s)Formula daya graviti adalah F = r2GMm.
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Question 6 of 15
6. Question
1 point(s)Satelit yang bergerak dalam orbit pada ketinggian tetap mempunyai laju linear yang tetap.
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Question 7 of 15
7. Question
1 point(s)Satelit buatan manusia tidak boleh dilancarkan ke orbit yang stabil.
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Question 8 of 15
8. Question
1 point(s)Laju linear satelit dikira dengan formula v=rGM.
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Question 9 of 15
9. Question
1 point(s)Halaju lepas adalah halaju minimum yang diperlukan oleh objek untuk mengatasi daya graviti Bumi.
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Question 10 of 15
10. Question
1 point(s)Tenaga keupayaan graviti objek ialah U = rGMm.
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Question 11 of 15
11. Question
1 point(s)Halaju lepas Bumi adalah 11.2 km s⁻¹.
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Question 12 of 15
12. Question
1 point(s)Halaju lepas tidak bergantung kepada jisim objek yang dilepaskan.
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Question 13 of 15
13. Question
1 point(s)Kapal terbang komersial boleh mencapai halaju lepas Bumi.
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Question 14 of 15
14. Question
1 point(s)Pelancaran roket memerlukan halaju lepas yang tinggi untuk mengatasi daya graviti Bumi.
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Question 15 of 15
15. Question
1 point(s)Pecutan graviti di permukaan Bulan lebih kecil daripada pecutan graviti di permukaan Bumi.
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