A boy weighing 40kg makes a high jump of 1.5m

a) What is his kinetic energy at the highest point?

b) What is his potential energy at the highest point?

Name: Lido Learning Solutions
Uploaded: 2022-01-05T06:16:12+00:00
Description: Lakhmir Singh Solutions - Physics- Class 9 Work And Energy Exercise solutions written by Lido's expert teachers

Question

A boy weighing 40kg makes a high jump of 15m a What is his kinetic energy at the highest point b What is his potential energy at the highest point

Accepted Answer

Mass of boy m 40 kg Height h 15m Acceleration due to gravity g 10 a At highest point velocity v 0 Therefore KE 0 b PE mgh 600J

Lakhmir Singh Solutions Class 9 Physics Solutions for Exercise in Chapter 4 - Work And Energy