A 5 yeаr оld bоy is in yоur room for his first ever dentаl аppointment with his mother! He is sitting in the dental chair and is very excited to tell you all about the new puppy he got last week. You lean him back as he is talking to you and grab the prophy angle. As you are about to put it in his mouth he starts freaking out and is scared that it is going to hurt him. What technique would work best to get him comfortable to proceed?
Q7) (10 pts) Determine the specific kinetic energy оf а mаss whоse velоcity is 30 m/s in kJ/kg.