What was the acceleration of the 2 kg cart. what was the acceleration of the 4 kg cart. what was the acceleration of the 6 kg cart

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m

Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?