Kiley went 5.7 km/h north and then went 5.8 km/h west. From start to finish, she went 8.1 km/h northwest. time limit 2 mins

Which best describes her numbers?

help on a time limit

In a system, when potential energy decreases, then entropy also decreases. true false

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader