a boy has a mass of 50kg runs up a hill of vertical height 300m in 20minute calculate the average vertical force he uses to lift himself up the hill

It equals just about 6,300 km per hour each day an week

490 n  f=125n a=2.5m/s2

Aself-report inventory  is a type of  psychological test  used in personality assessment. this type of test is often presented in a paper-and-pencil format or may even be administered on a computer. a typical self-report inventory presents a number of questions or statements that may or may not describe certain qualities or characteristics of the test subject.