Particles (mass of each = 0.40 kg) are placed at the 60-cm and 100-cm marks of a meter stick of negligible mass. This rigid body is free to rotate about a frictionless pivot at the 0-cm end. The body is released from rest in the horizontal position. What is the magnitude of the initial linear acceleration of the end of the body opposite the pivot?
a. 15 m/s2
b. 9.8 m/s2
c. 5.8 m/s2
d. 12 m/s2
e. 4.7 m/s2
D
You might also like to view...
Which of the waves below has the shortest wavelength?
a. gamma rays b. X-rays c. visible light d. infrared e. radio
A ski lift carries passengers up a 150 m high slope at the rate of one chair every 30.0 seconds. If the chair will hold two passengers with a total mass of 190 kg, then the power of the engine that powers the ski lift is
A. 6.96 kW. B. 7.83 kW. C. 8.75 kW. D. 9.31 kW. E. 9.90 kW.
Optical fibers are commonly used by
A) surgeons. B) mechanics. C) engineers. D) aviators. E) all of the above
Astronomers can measure a star's mass in only certain cases. Which one of the following cases might allow astronomers to measure a star's mass?
A) The star is a member of a binary star system. B) The star is of spectral type G. C) The star is of spectral type A. D) We know the star's luminosity and distance.