the kinetic energy of a body is increased by 300%. Calculate the percentage change in its momentum
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Answer:
MOMENTUM AND KINETIC ENERGY
Explanation:
★ {P1 / P2}² = K1 / K2
★( P1 / P2 )² ={ (K1 + K2) / K1 } × 100%
★ ( P1 / P2 )² = { (100 + 300) / 100 }×100
★ ( P1 / P2 )² = { 400 / 100 } × 100
★ ( P1 / P2 )² = 400
★ P1 / P2 = 20
★ P1 = 20P2 .
»» HENCE ; MOMENTUM IS INCREASED BY 20%.
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