Which voice can produce a pitch that has a speed of 343
m/s and a wavelength of 0.68 m? Check all that apply.
bass
baritone
tenor
contralto
soprano

Astronomers discover an exoplanet (a planet of a star other than the sun) that has an orbital period of 3.87 earth years in its circular orbit around its sun, which is a star with a measured mass of 3.59 x 1030 kg. find the radius of the exoplanet's orbit.

The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.