Four identical rocks are sitting on the ground. Which rock has the most gravitational potential energy?

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system

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