A good listener (peer counseling) listens only and doesn't ask any questions
digs deeper and gets below the surface
talks about his or her own experiences and problems
downplays the problem and changes the subject

How much work is done lifting a 9.10 kg box straight up onto a shelf that is 1.80 m high?

Aproton is projected toward a fixed nucleus of charge +ze with velocity vo. initially the two particles are very far apart. when the proton is a distance r from the nucleus its velocity has decreased to 1/2vo. how far from the nucleus will the proton be when its velocity has dropped to 1/4vo?

Rohit is trying to tune an instrument