A 80kg block of aluminum coold for 100c to 80c. how much thermal energy does it give out?

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Which process is represented by the pv diagram? a. the isobaric process b. the isovolumetric process c. the isothermal process d. the adiabatic process

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?