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Svet_ta [14]
2 years ago
10

If each pull-up requires 300 J and Dan does a pull-up in 1.5 seconds, what is his power? 1000 watts 800 watts 400 watts 200 watt

s
Physics
1 answer:
Jlenok [28]2 years ago
8 0
300 divide 1.5=200 let me know if this was helpful
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3 0
1 year ago
A cardinal (Richmondena cardinalis) of mass 4.20×10−2 kg and a baseball of mass 0.146 kg have the same kinetic energy. What is t
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It is given that,

Mass of cardinal,m_c=4.2\times 10^{-2}\ kg

Mass of baseball, m_b=0.146\ kg

Both cardinal and baseball have same kinetic energy. We need to find the ratio of the cardinal's magnitude p_c of momentum to the magnitude p_c of the baseball's momentum.

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Kinetic energy is given by, E=\dfrac{p^2}{2m}

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So, the ratio of cardinal's magnitude of momentum to the magnitude of the baseball's momentum is 53 : 100

6 0
3 years ago
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