Two 0.50-kg carts, one red and one green sit about half a meter apart on a low-friction track. You push on the red one with a
constant force of 4.0 N for 0.17 m and then remove your hand.
The cart moves 0.33 m on the track and then strikes the green
cart. What is the work done by you on the two cart system?​

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

•• al and bert are jogging side-by-side on a trail in the woods at a speed of 0.75 m/s. suddenly al sees the end of the trail 35 m ahead and decides to speed up to reach it. he accelerates at a constant rate of 0.50 m/s2, while bert continues on at a constant speed. (a) how long does it take al to reach the end of the trail? (b) once he reaches the end of the trail, he immediately turns around and heads back along the trail with a constant speed of 0.85 m/s. how long does it take him to meet up with bert? (c) how far are they from the end of the trail when they meet?

Which notation is used to represent an alpha particle? a. b. c. d.