Two astronomical objects with mass of 3.1 x 10^20 kg and 7.4 x 10^18 kg are separated by a distance of 6.5 x 10^6 m. what is the gravitational force that one object exerts on the other?

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.