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Connections? I'll help you. 1. mass and volume 2. a change in state 3. the density of the object is less than that of water. 4. melting ice, mowing the lawn, and carving a statue 5. The shape of the gold will change physically. 6. Water freezes in the cra...

8 Is wrong. It's the second one. The others are right.

a.Find the acceleration of the system F^1=m*a F^2= m*g F^1= T-F^2 400a= T-1960 F^1= F^2-T 200 a= 3920-T 200a+1960=3920-400a a= 49/15=3.266=3.27 acceleration=3.27 b.The tension in each cord T=200*3.27+1960 Tension=2614 T=3920-400*3.27 Tension=2612 c.The di...