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Sphinxa [80]
3 years ago
10

2. If a tricycle has a kinetic energy of 360 J and a mass of 4 kg, what is its velocity?

Physics
1 answer:
BaLLatris [955]3 years ago
5 0

Answer:

13.42m/s

Explanation:

0.5 multiply by 4 = 2kg

360J divided by 2kg = 180

square root 180= 13.42m/s

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What is the period of a simple pendulum 47 cm long (a) on the Earth, and ( b) when it is in a freely falling elevator?
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Answer:

a)1.37 s

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Explanation:

Given that

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a)

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b)

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When elevator is falling freely then

g_{eff}= 0            ( This is case of weightless motion)

Therefore

T=2\pi\sqrt{ \dfrac{L}{0}

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