A jet traveling at 1500 km/h passes overhead. The sonic boom produced is heard by

A) a listener on the ground.
B) the jet pilot.
C) both of these
D) neither of these


Answer: A

Physics & Space Science

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In an inertia balance, a body supported against gravity executes simple harmonic oscillations in a horizontal plane under the action of a set of springs. If a 1.00 kg body vibrates at 1.00 Hz, a 2.00 kg body will vibrate at

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Charge of uniform surface density (4.0 nC/m2) is distributed on a spherical surface (radius = 2.0 cm). What is the total electric flux through a concentric spherical surface with a radius of 4.0 cm?

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