a fixed luminous point in the night sky which is a large, remote incandescent body like the sun. or a conventional or stylized representation of a star, typically one having five or more points.
The answer is A. the fields lines never cross, if you bring another magnet near it, the lines work just compress
As per Newton's law rate of change in momentum is net force
so we can write it as


now we know that




from above equation

so he will experience 900 N force in above case
Your answer is B. The human eye can only detect color and Tv waves
Answer:
From the outside human arms, bird wings, and bats wings look very different. Humans are covered in skin, birds are covered in feathers, and bats are covered in hair. But on the inside there are many similarities among human, bird, and bat forearms. Did you know that humans, birds, and bats have the exact same types of bones in their forearm? These organisms share the same forearm bones because they all evolved from a common ancestor.
Human, bird, and bat forearm bones include the humerus, ulna, radius, carpals, metacarpals, and phalanges.
~i hope this helps~