Answer:1.27
Explanation:
Given
incident angle
refracted angle
Suppose is the refractive index of material then using Snell's law we can write
where =refractive index of air
Answer:
The work done against friction is the work done on an object that overcomes this frictional force allowing the object to move - it doesn't include any extra work used to accelerate an object for example - only the work used to beat the frictional force.
Explanation:
Inner planets are far warmer than outer planets. Due to distant of the sun
As the planets distant from the sun. The colder the get due to distance.
Answer:
the ratio of the number of turns in the primary and secondary coils.
Explanation:
hope i'm not too late!!
Answer:
you supposed to do 70%-30%=40%
Explanation: