158k views
11 votes
A father weighs 100kg and is running at a velocity of 4 m/s. What is the fathers kinetic energy?

User Culter
by
8.4k points

2 Answers

2 votes

800J

Step-by-step explanation:

we know,

k.E=(1/2)mv^2

=(1/2)100×4×4

800J

User Nicolas Bouvrette
by
9.0k points
11 votes

Answer:

400 J

Step-by-step explanation:

Formula :

  • Kinetic Energy (KE) = 1/2 x mass (m) x velocity² (v²)

Solving :

  • KE = 1/2 x 100 x (4)²
  • KE = 50 x 16
  • KE = 400 J
User Malte Susen
by
8.0k points

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