please someone solve this. someone refer to jaadu noone else will answer this or else will be reported

While the change in blank will remain the same during a collision, the force needed to bring an object to a stop can be blank if the time if collision is blank

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?

Aman is trying to drag a small tree that he cut down. if the static coefficient of friction of the tree on the ground is 0.5 and the tree weighs 670 n, what is the minimum amount of horizontal force that the man will need to apply so that the tree will start moving? o a. 465 n o b. 230 n o c. 670 n o d. 335 n