The force 20N,30N,40N,50N and 60N are acting at one of the angular points of a regular hexagon towards the other five angle points taken in order. Find the magnitude and direction of the resultant force​

Edward tolman explained the results of his study by theorizing that the rats were learning about the maze during every trial but they a. were agitated because other groups were getting reinforcement b. could not remember how to demonstrate it without reinforcement c. were not motivated to demonstrate it without reinforcement d. seemed to be too lazy to actually work without reinforcement

The force it would take to accelerate an 900-kg car at the rate of 6m/s2

Explain the difference in reactivity of the elements based on their electron configurations.