ester32152
04.08.2019 •
Physics
How could professional football players use technology to better understand their health
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Ответ:
Ответ:
Explanation: Professional football players or any athlete can use many technologies such as health apps, sugar machines, BP machine,weighing machine and smart watch to better understand their health. They can use these technologies on daily basis to check their body mass index (BMI). They can also use smart watch and health apps to calculate their net calorie count of a day and maintain their nutrition level.
Ответ:
Explanation:
Weight of car = 13300 N sitting on a piston having cross sectional area of 15 cm
pressure required = force / cross sectional area
= 13300 / π R²
= 13300 / 3.14 x .15²
= 1.88 x 10⁵ N/ m²
force required to lift the car = pressure x area
= 1.88 x 10⁵ x 3.14 x .05² ( 5 cm is radius of small piston )
= 1476 N .