Periodic motion (A-level only)

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Question 12

A test-dummy of mass 3m is secured inside a centrifuge cabin that rotates in a horizontal circular path of radius $2 R$ . The centrifuge completes one full revolution in a time period $T$ .

What is the kinetic energy of the test-dummy?

\frac{24\pi^2 m R^2}{T^2}

\frac{12\pi^2 m R^2}{T^2}

\frac{6\pi^2 m R^2}{T^2}

\frac{48\pi^2 m R^2}{T^2}

Periodic motion (A-level only)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

Question 12

A test-dummy of mass 3m is secured inside a centrifuge cabin that rotates in a horizontal circular path of radius $2 R$ . The centrifuge completes one full revolution in a time period $T$ .

What is the kinetic energy of the test-dummy?

\frac{24\pi^2 m R^2}{T^2}

\frac{12\pi^2 m R^2}{T^2}

\frac{6\pi^2 m R^2}{T^2}

\frac{48\pi^2 m R^2}{T^2}

Periodic motion (A-level only)

Question 12

Periodic motion (A-level only) Questions

Periodic motion (A-level only)

Question 12

Periodic motion (A-level only) Questions