s. What is the car's kinetic energy? (with solution)...

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AvrilLorrainee @AvrilLorrainee

October 2022 1 3 Report

A 5000kg truck has a velocity of 20m/s. What is the car's kinetic energy? (with solution)

Answers & Comments

"KINETIC ENERGY WORD PROBLEM"

Word Problem:

A 5000kg truck has a velocity of 20m/s. What is the car's kinetic energy?

Asked:

What is the car's kinetic energy?

To find:

Kinetic Energy

Given:

m = 5000 kg
v = 20 m/s
KE = ?

Formula:

$\rm KE = \large{\tt{\frac{1}{ \: 2 \: }} } {mv}^{2}$

Solution:

$\rm KE = {\tt{\frac{1}{ \: 2 \: }}} \tt(5000 \: \sf{kg}) \times {( \tt{20} \sf{m/s})}^{ \tt2} \\ \rm KE = \tt(2500 \: \sf{kg}) \times {( \tt{20} \sf{m/s})}^{ \tt2} \: \: \: \: \: \: \\ \rm KE = \tt(2500 \: \sf{kg}) \times ( \tt{400} \sf{m}^{ \tt2} / \sf{ {s}^{ \tt2} }) \: \: \\ \boxed{\rm KE= \tt{1,000,000} \: \rm{J}} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:$

Answer:

1,000,000 J the kinetic Energy of car.

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