4. How many joules of heat are needed to raise the temperature of 10.0 g of aluminum from 22°C to 55°C, if the specific heat of aluminum is 0.90 J/g°C?

glass has been rated on the mohs scale as 5.5

c. 7/3

step-by-step explanation:

a rational number is like pi- it is a repeating decimal.

a. is -1.8

b. 2.236068

c. 2.3333333333333333333

d.   is 3

i hope that ! =)

explanation:

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

prolly a beacuse the momentuem the car has increases while going down hill