Question

IV. Compute the following PE and KE. Show your solution

1. Rey serves a Ping Pong balls with a velocity 30m/s. If the ball has a mass off 0.15kg What is the kinetic energy (KE of the ball)

Given:

Formula:

Solution:


2. Mark has an object suspended in the air. It has a mass of 30 kilograms and is 40 meters above the ground. Calculate the object potential energy ( PE )

Given:

Formula:

Solution:


PLEASE ANSWER MY QUESTION!!!​

Answer 1

Answer:

K.E= 1/2 mv*v

half mv sqaure

P.E= mgh where g= 9.8 metre/ second sq