Who is better The Flash or Reverse-Flash

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg