Glass bottle holds 500g of liquid at 40oC and only 300g at 70oC. Find the real cubic expansivity of the bottle. If the linear expanivity of glass is 0.0006K-1

Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c

Which subatomic particle has a negative charge

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?