What is the maximum acceleration of the needle
A sewing machine needle moves up and down in simple harmonic motion with an amplitude of 1.27 cm and a frequency of 2.55 Hz. What is the maximum acceleration of the needle?
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How far below the release point is the center of mass of the two stones at t = 550 ms? (Neither stone has yet reached the ground.) How fast is the center of mass of the two-stone system moving at that time?
A simple harmonic oscillator takes 12.0 s to undergo six complete vibrations. (a) Find the period of its motion.
If sunflower blossoms always pointed straight up (as daisies do), what power would the sunflower disk described in part "a" be receiving at 5:00 P.M.?
Clearly, the car will eventually travel faster than the truck and will overtake it. Where will the car catch up with the truck?
Sam, whose mass is 80.0 , takes off down a 50.0 high, 12.0 slope on his jet-powered skis. The skis have a thrust of 180N . Sam's speed at the bottom is 36.0m/s. What is the coefficient of kinetic friction
Derive the expression for the electric field inside the volume at a distance r from the axis of the cylinder in terms of the charge density p.
A negative charge of -2.0 10-4 C and a positive charge of 9.0 10-4 C are separated by 0.26 m. What is the force between the two charges?
To complete your master's degree in physics, your advisor has you design a small, linear accelerator capable of emitting protons, each with a kinetic energy of 11.5 keV. (The mass of a single proton is 1.67 10-27 kg.) In addition, 1.00 109 protons
What is the radius r of the turn if theta = 20.0^circ (assuming the car continues in uniform circular motion around the turn)?
The highest musical note on a piano has a frequency of 4,186Hz. Why would a tape of piano music sound terrible if played on a tape player that reproduces frequencies only up to 5,000Hz?
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