SSA Science Intervention: SC.8.P.8.5 - Elements and Compounds Chock
Why is an element considered a pure substance?

what was the acceleration of the 2 kg cart?

⇒ 16.0 cm/s2

what was the acceleration of the 4 kg cart?

⇒ 8.1 cm/s2

what was the acceleration of the 6 kg cart?

⇒ 5.3 cm/s2

what is the speed of a softball that travels 20m in 2secs

speed = 20/2 = 10 m/s

which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?  

answer

a 75kg dining table

the answer is 100. i just did this lesson and got a 100% on it. : )

-fishtank