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Q3: If a magnet produces a force on
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Q13: A kg of 40°C water and a
Q43: According to the impulse-momentum relationship Ft =
Q60: Distinguish between conduction and convection.Give examples of
Q108: A good heat conductor is a<br>A)poor insulator.<br>B)good
Q128: An airplane flies at 40 m/s at
Q141: An iron ball and wooden ball of
Q143: As a high-altitude balloon sinks lower and
Q176: The value of a resistor that carries