what force is required to generate a velocity of 36 km/s in a body of mass 500g, within a distance of 2m?
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Answer:
12.5 N
Explanation:
Acceleration produced is
a = (v² - u²)/(2S)
= [(36 × 5/18 m/s)² - (0 m/s)²] / (2 × 2 m)
= (100/4) m/s²
= 25 m/s²
Force = ma
= 500 g × 25 m/s²
= 0.5 kg × 25 m/s²
= 12.5 kg m/s²
= 12.5 N
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