Many ancient civilizations believed that dreams were a. meaningless brain activity b. a form of shamanistic magic c. messages from the spirit world d. memories from previous lives

The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

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