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vichka [17]
3 years ago
9

Calculate Kinetic Energy The potential energy of a swing is 200 J

Physics
1 answer:
RUDIKE [14]3 years ago
3 0

Answer:

150J

Explanation:

Pi = Pf + Kf

200 = 50 + Kf

---> Kf = 150J

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3 years ago
A 90.0-kg man runs at a constant speed of 11.5 m/s. what is his kinetic energy?
harina [27]

The kinetic energy possessed by the man is 517.5 Joules.

<u>Given the following data:</u>

  • Mass = 90.0 kg
  • Velocity = 11.5 m/s.

To find the kinetic energy of the man:

Kinetic energy is an energy that is possessed by a physical object or body due to its motion.

Mathematically, kinetic energy is calculated by using the formula;

K.E = \frac{1}{2} MV^2

<u>Where:</u>

  • K.E is the kinetic energy.
  • M is the mass of an object.
  • V is the velocity of an object.

Substituting the given values, we have;

K.E = \frac{1}{2} × 90 × 11.5

K.E = 45 × 11.5

<em>Kinetic energy = 517.5 Joules.</em>

Therefore, the kinetic energy possessed by the man is 517.5 Joules.

Read more: brainly.com/question/23153766

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