Physics: How do ultraviolet rays your bones and teeth ?

How do ultraviolet rays your bones and teeth ?

Serenitybella

08.09.2020

The absorbed calcium makes the bone and teeth stronger.

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SuBzErO24

08.09.2020

absorbed calcium makes the bone and teeth stronger.

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437012

25.08.2022

Kinetic energy of the vehicle is

$K = 1.79 \times 10^5 J$

Explanation:

Kinetic Energy of the vehicle is given as

$K = \frac{1}{2}mv^2$

now we have

m = 1860 kg

v = 50 km/h

$v = 50 \times \frac{5}{18}$

v = 13.89 m/s

now we have

$K = \frac{1}{2}(1860)(13.89)^2$

$K = 1.79 \times 10^5 J$

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