Pendulum in an Accelerating Train
Difficulty: Easy · Topics: Newton's Laws, Non-Inertial Frames, Pendulum
Tezlanuvchi poyezddagi mayatnik
As shown below, a pendulum hangs from the ceiling of a train accelerating with acceleration a. The string makes a constant angle θ = 30^° with the vertical.
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What is the acceleration of the train? (The magnitude of gravitational acceleration is g.)
Quyida ko‘rsatilganidek, a tezlanish bilan harakatlanayotgan poyezd shiftiga mayatnik osilgan. Ip vertikal bilan o‘zgarmas θ = 30^° burchak hosil qiladi.
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Poyezdning tezlanishi nimaga teng? (Erkin tushish tezlanishining kattaligi g.)