Simple Harmonic Motion: A point on the string of a violin moves up and down in simple harmonic motion with an amplitude of 1.24 mm and a frequency of 875 Hz.(a) What is the maximum speed of that point in SI units?(b) What is the maximum acceleration of the point in SI units?

What will be an ideal response?


(a) 6.82 m/s (b) 3.75 × 104 m/s2

Physics & Space Science

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A 1500-kg car traveling at 90 km/h toward the east suddenly collides with a 3000-kg car traveling at 60 km/h toward the south. The two cars stick together after the collision. What is the direction of motion of the cars after collision?

A) 53.1° S of E B) 53.1° E of S C) 36.9° E of S D) 36.9° S of E

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If a nuclide has a half-life of 100 s, what is the corresponding mean lifetime?

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A 2-m-tall person viewing his full-length image in a plane mirror requires a mirror that is at least

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