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Effectus [21]
3 years ago
8

What is the kinetic energy of a 24-kg mass that is moving with a velocity of 2 m/s?

Physics
2 answers:
Anton [14]3 years ago
3 0

Answer:

1/2mv^2

1/2*24*2^2

answer=48

Alina [70]3 years ago
3 0

Answer:

48 J

Explanation:

Kinetic energy can be found using the following formula:

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

where <em>m </em>is the mass in kilograms and <em>v </em>is the velocity in m/s.

We know the mass is 24 kilograms and the velocity is 2 m/s Therefore, substitute 24 in for <em>m </em>and 2 in for <em>v. </em>

<em />KE=\frac{1}{2}*24*2^2<em />

Evaluate the exponent first. 2^2 is the same as multiply 2, 2 times.

2^2=2*2=4

KE=\frac{1}{2}*24*4

Multiply 24 and 4

KE=\frac{1}{2} *96

Multiply 96 and 1/2, or divide 96 by 2.

KE=48

Add appropriate units. Kinetic energy uses Joules, or J

KE=48 Joules

The kinetic energy is 48 Joules

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