Which statement is true about voice?
a. voice uses a wider range of pitch and volume as compared to speaking.
b. the greater the tension on the vocal chords, the lower the pitch.
c. women can produce a lower range of pitches as compared to men.
d. african singers sit on the floor while singing.

What properties of a moving object are used in determining the object's energy of motion

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?

The amount of potential energy possessed by an elevated object is equal to what?