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A 500kg ball is thrown upwards …

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A 500kg ball is thrown upwards with a velocity of 500m/s . Find its potential energy at highest point .

Posted by Sahil Nebapure 4 years, 7 months ago

CBSE > Class 09 > Science

2 answers

Vimal Patel 4 years, 7 months ago

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Yogita Ingle 4 years, 7 months ago

Potential energy = mgh Or

U = mgh

Where m = 50 kg, g = 10 m/s² and h =?

Now, 2gh = v² - u²

2gh = 0 - u²

h = - u²/2g

h = - ( 500 × 500 )/( 2 × - 10 )

h = 25000/2 or 12500 m.

So, U = mgh

= ( 50 )( 10 )( 12500 )

= 6250000 J

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