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Question
10 কিলোগ্রাম একটি বস্তু 50 মিটার উচ্চতা হতে পড়লে ইহার গতি শক্তি কত হবে?
4
.
9
×
10
3
e
r
g
4
.
9
×
10
3
J
4
.
9
×
10
7
e
r
g
4
.
9
×
10
7
J
ANSWER : 2
Descrption
<p><math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>E</mi><mi>K</mi></msub><mo>=</mo><mi>m</mi><mi>g</mi><mi>h</mi><mo>=</mo><mo> </mo><mn>10</mn><mo>×</mo><mn>9</mn><mo>.</mo><mn>8</mn><mo>×</mo><mn>50</mn><mo>=</mo><mn>4900</mn><mo>=</mo><mn>4</mn><mo>.</mo><mn>9</mn><mo>×</mo><msup><mn>10</mn><mn>3</mn></msup><mo> </mo><mi>J</mi><mo> </mo></math></p>
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