Of the frequencies listed below, to which one is the human ear most sensitive?
a. 33 Hz
c. 3300 Hz
b. 330 Hz
d. 33,000 Hz
C
You might also like to view...
That the Moon has no magnetic field implies that
a. the Moon is spinning too slowly to produce a magnetic field. b. the interior of the Moon is too hot to produce a magnetic field. c. the crust of the Moon is so thick that the magnetic field cannot get out of the interior. d. the Moon's core contains little if any molten iron. e. the Moon is moving further from Earth.
What causes the outward gas pressure that balances the inward pull of gravity in a main-sequence star?
a. the rapid outward flow of gas
b. the rapid inward flow of the gas
c. the high temperature of the gas
d. the high density of the gas
e. the high temperature and the high density of the gas
What energy transformation occurs during photosynthesis?
A) radiant E ? chemical E B) chemical E ? thermal E C) radiant E ? kinetic E D) thermal E ? chemical E E) chemical E ? kinetic E
A solid sphere of mass 2.50 kg and radius 0.120 m is at rest at the top of a ramp inclined 15.0°. It rolls to the bottom without slipping. The upper end of the ramp is 1.20 m higher than the lower end. Find the sphere's total kinetic energy when it reaches the bottom
a. 70.0 J b. 47.9 J c. 29.4 J d. 8.80 J