The locomotive of a train can exert a maximum pull of 160 kN. If the locomotive has mass of 80 000 kg and the train a mass of 400 000 kg, what will be the maximum acceleration for the train on an incline of 1 in 250 of the resistances to motion amour to 24 KN?

Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?

What is the gravitational attraction between a dating couple whose centers of mass are 0.630 m apart if the boy weighs 715 n and the girl weighs 465 n?

How are positive ions different from neutral atoms