Imagine the deep, low sound made by a tuba. now, what is an example of a sound with a much higher pitch?

a) a big dogs growl.
b) the rumble of thunder.
c) the chime of a doorbell.
d) the horn blast from an eighteen wheeler.

Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative