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Ivanshal [37]
2 years ago
8

Bonny Blair of the United States set a world record in speed skating when

Mathematics
1 answer:
Nookie1986 [14]2 years ago
7 0

Answer:

4589.75J

Step-by-step explanation:

Kinetic energy = 1/2 x M x v^2

Given

Mass M = 55.0kg

V = 12.92m/s

Kinetic energy

= 1/2 x 55.0 x (12.92)^2

= 1/2 x 55.0 x (12.92 x 12.92)

= 1/2 x 55.0 x 166.9

Multiply through

= 9179.5/2

= 4589.75J

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