two bodies of masses 2kg and 4 kg are placed at a distance of 20 cm from each other calculate gravitational force on 1 kg mass placed at the centre of line joining two bodies
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sound wave travels at a speed of 340 metre per second if the wavelength of wave is 1.4 m to the frequency of a wave
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M1=2kg
M2=4kg
Distance=20cm
Using G=m1m2/d2
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