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Q. Explain about Centrifugal force?
The centrifugal force is
Fc =mv2/r,
Where r is the radius of the orbit and m is the mass of the object and v is the velocity. The orbital radius is assumed approximately equal to the earth's
Radius for low orbit, The gravitational force is
Fg = -mg,
Where g is the acceleration due to gravity, We are again assuming low orbit.
Then Fc + Fg = 0 and
mv2/r= mg
v2= gr, and,
v =√gr.
Assuming earth's radius to be 3960 miles and the acceleration due to gravity is 32 feet per second2 , we have
v = √32/5280 × 3960
v = 4.9mi/sec.
Give one example each for thermoplastic and thermosetting polymers Thermoplastics - Polyethylene, PVC etc. Thermosetting plastics - Bakelite (Phenolfomaldehyde resin), Urea
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prove that equatorial line of dipole acts as equipotential surface
1. Solve the TISE in each region to find the stationary wave function, and show that it can be written as ?(x) = Ae ikx +(k-1)/(k+1)Ae ikx x =2k/(k+1)Ae ilx x>0 where
who invented this?
working and construction of interferometer
People believe that seatbelts are a MUST. But they think that they could increase the risk of other road users. Explain why it would be difficult to gather evidence for this idea..
INSTANTANEOUS ACCELERATION: The acceleration of the body at any certain instant during its motion is called to be an instantaneous acceleration.
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In X-ray tube, when high speed electrons strike the target, they move into the target. They lose their kinetic energy and come to rest inside the solid. The electron because of fin
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