A A boy can throw a ball with a net force of 55N.
How much greater will the acceleration be
when he throws a lkg softball as compared
to when he throws a
7 kg bowling ball?

a longitudinal wave moves energy that is to the direction of the wave’s movement. - true

v 154.9= 0.9 length length s little over 154.9cm

the old price per ounce is c/4.

the new price per ounce is c/3.6.

the ratio of the old price to the new one is

(c/4)/(c/3.6) = (c/c)×(3.6/4) = 0.9 . . = 9/10 . . "nine tenths" in either form