A2kg block of which material would require 450 joules of thermal energy to increase its temperature by 1 degree celsius?
a) tin
b)zinc
c)gold
d)lead
need answer asap !

explanation:

as the height from which the ruler was dropped increased, the speed of the ruler at ryan's hand increased.

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.

i think it would be 5

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