Showing 51 to 60 of 196 Questions

A mass–spring system is in SHM in the horizontal direction. If the mass is 0.25 kg, the spring constant is 12 N/m, and the amplitude is 15 cm, (a) What is the maximum speed of the mass, and (b) Where does this occur? (c) What is the speed at a halfamplitude position?
00 
A particle of mass 0.10 kg is attached to a spring of spring constant 10 N/m. If the maximum acceleration of the particle is 5.0 m/s2, what is the maximum speed of the particle?
00 
A particular guitar string is supposed to vibrate at 200 Hz, but it is measured to vibrate at 205 Hz. By what percent should the tension in the string be changed to correct the frequency?
0461 
A particular string resonates in four loops at a frequency of 280 Hz. Name at least three other frequencies at which i will resonate.
0489 
A pendulum has a period of 0.80s on Earth. What is its period on Mars, where the acceleration of gravity is about 0.37 that on Earth?
0651 
A pendulum makes 36 vibrations in exactly 60s. What is its (a) Period, and (b) Frequency?
0703 
A sailor strikes the side of his ship just below the surface of the sea. He hears the echo of the wave reflected from the ocean floor directly below 3.0 s later. How deep is the ocean at this point?
0458 
A satellite dish is about 0.5m in diameter. According to the user’s manual, the dish has to be pointed in the direction of the satellite, but an error of about 2o is allowed without loss of reception. Estimate the wavelength of the electromagnetic waves received by the dish.
2944 
A simple pendulum is set into smallangle motion, making a maximum angle with the vertical of 5o. Its period is 2.21 s. (a) Determine its length. (b) Determine its maximum speed. (c) What is the acceleration of the pendulum bob when it is at the lowest position?
00 
A simple pendulum oscillates with frequency f. What is its frequency if it accelerates at 0.50g?(a) Upward, and (b) Downward?
0265