A little boy and little girl in a playground are sitting on a large metal disk which is rotating freely at a constant number of revolutions per minute. The boy is at the outer rim, and the girl is about halfway between the rim and the center. How do their accelerations compare

specific latent heat of fusion, lf, of a substance is defined as the amount of heat required to change a unit mass of the substance from solid to liquid state, without any change in the temperature.

explanation:

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

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

54 degrees incident angle = reflected angle

angle is from normal turned to line of ray