s velocity. How much kinetic energy does he gain? kailangan ko lang po!...

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September 2022 1 3 Report

A Grade 8 student, with a mass of 48 kg, joins the running competition. He runs with 9.4 m/s velocity. How much kinetic energy does he gain?
kailangan ko lang po!

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Tokamak

$\tt{\huge{\blue{Explanation:}}}$

The kinetic energy of a moving object is given by

$\boxed{KE = \frac{1}{2}mv^{2}}$

where:

KE = kinetic energy

m = mass

v = speed

$\tt{\huge{\red{Solution:}}}$

Solving for KE

$KE = \dfrac{1}{2}mv^{2}$

$KE = \dfrac{1}{2}(\text{48 kg})(\text{9.4 m/s})^{2}$

$\boxed{KE = \text{2,120.64 J}}$

Therefore, the kinetic energy of the student is 2,120.64 J.

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