a scientist designs an experiment to see which brand of cell phone battery will last the longest. what is the independent variable?

Which career professionals are part of the architecture and construction career cluster? check all that apply. a. civil engineers b. carpenters c. landscapers d. plumbers e. surveyors f. civil drafters

Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?

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