3.
What is a star? Why does the sun appear so big whereas the other stars do not?
Ans.

According to newton's second law, when the same force is applied to two objects of different masses, a the object with greater mass will experience a great acceleration, and the object with less mass will experience an even greater acceleration, b. the object with greater mass will experience a smaller acceleration, and the object with less mass will experience a greater acceleration, c. the object with greater mass will experience a greater acceleration, and the object with less mass will experience a smaller acceleration, d. the object with greater mass will experience a small acceleration, and the object with less mass will experience an even smaller acceleration.

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?

What are the necessary conditions for fusion?