GK
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The derived unit of (kg2 m2) / (kg m s2) is equivalent to
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kg m/s2
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kg2/s2
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kg m/s
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kg3 m3 / s2
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Explanation:
Detailed explanation-1: -The newton (symbol: N) is the unit of force in the International System of Units (SI). It is defined as 1 kg⋅m/s2, the force which gives a mass of 1 kilogram an acceleration of 1 metre per second per second.
Detailed explanation-2: -This implies, for instance, that 1 kilogram of matter is equivalent to an energy E = (1 kg)×(3×108 m/sec)2 = 9×1016 kg m2/sec2. An energy of 1 kg m2/sec2 is known as 1 joule, for short.
Detailed explanation-3: -The SI unit for momentum is kg m/s.
Detailed explanation-4: -Reduced to base units in the International System of Units ( SI ), a kilogram-meter per second is the equivalent of a newton-second (N · s), which is the SI unit of impulse.
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