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Classical Physics
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A hollow open-ended (both sides) tube is held horizontally with one end next to a sound source. The frequency of the sound source is varied, and it is observed that the lowest frequency that causes resonance in the tube is 210 Hz. What is the length (approximately) of the tube? Assume that the speed of sound is 343 m/s.
A horizontal turntable of radius 5 meters is rotating at a constant angular speed of 5 radians/sec in anticlockwise direction with respect to the ground. Consider two observers, one fixed to the ground (called Frame G) and the other on the turntable with the origin at the center of the turntable and rotating with the turntable (called Frame R)A man with a mass of 30 kg is stationary on the ground (as observed from Frame G) and is positioned at the outer edge of a turntable. The distance of the man from the center of the turntable is approximately equal to the radius of the turntable. What are the magnitude and direction of the Coriolis force acting on the man as observed from Frame R
A motor boat of mass m runs across the ocean in the equator at a speed of 10 m/s in the West Direction. If the angular speed of the earth is Ω, the Coriolis force acting on the motor boat as observed by a person on the equator is
A top (lattu in Hindi) spins with constant angular speed ‘ωs’ in anticlockwise direction as seen from above making a small angle Ѳ with the vertical. It is assumed ωs does not change with Ѳ . Choose the correct statement below: