Gravitational attraction to encompass a magnitude
What should the separation be between a particle of 6.4 kg and a particle of 3.7 kg in order for their gravitational attraction to encompass a magnitude of around 1.2 x 10-12 N?
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A solid sphere having uniform density consists of a mass of 9.8 × 104 kg and a radius of 1.5 m. Find out the magnitude of the gravitational force due to the sphere on the particle of mass 5.7 kg positioned at a distance of (i) 7.2 m and (ii)
On any given day there is a net migration into area of 15 insects and 16 are eaten by local bird population and seven die of natural causes. If there are originally 100 insects in area will population survive? If not, then when do they die out?
You hold a small plane mirror of 0.50 m in front of your eyes. The mirror is around 0.32 m high, and in it you see the image of a tall building at the back. (i) When the building is around 95 m behind you then what vertical height of the building,
A satellite 50 kg consists of a circular orbit having a period of 2.2 h and a radius of around 6.2 × 106 m around a planet of unknown mass. When the magnitude of the gravitational acceleration on the surface of the planet is around 7.1 m/s2,
The two similar masses are joined to frictionless pulleys by very light strings wrapped about the rim of the pulleys and are released from rest.
On a dry day you can simply charge yourself up to a couple of kilovolts by shuffling your feet across the carpet. Touching your finger to a grounded piece of metal causes a spark. Determine how much energy is dissipated in the spark?
A thin layer having oil of refractive index 1.25 is spread on the surface of water (having n = 1.33). When the thickness of the oil is around 200 nm then determines the wavelength of visible light in air which will be mainly reflected from the top
When proving the result using mathematical induction basis step (which often involves verifying proposition for n = 0 or 1) is usually trivial.
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