4 years ago

How do you find the period

Physics

1 answer:

Svet_ta [14]4 years ago

3 0

Period is seconds/cycle. So just divide number of seconds by the cycles completed. Hope this helps!

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Explanation:

It is given that,

Mass of the truck, m = 2000 kg

Initial velocity of the truck, u = 34 km/h = 9.44 m/s

Final velocity of the truck, v = 58 km/h = 16.11 m/s

(a) Change in truck's kinetic energy, $\Delta E=\dfrac{1}{2}m(v^2-u^2)$

$\Delta E=\dfrac{1}{2}\times 2000\ kg\times (16.11^2-9.44^2)$

$\Delta E=170418.5\ J$

$\Delta E=1.7\times 10^5\ J$

(b) Change in momentum of the truck, $\Delta p=m(v-u)$

$\Delta p=2000\ kg\times (16.11-9.44)$

$\Delta p=13340\ kg-m/s$

Hence, this is the required solution.

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3 years ago

Hewo fwiends !! What is the different between Kinetic Energy and Kinetic Potential Energy???

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Answer:

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Explanation:

Tell me if it is wrong

A brainliest would be appreciated!

Have a good day!

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