Explanation :
According to astronomers, the whole universe is started with a giant explosion called as Big Bang. Big Bang theory shows that the universe is extended from high density state.
There are some evidence for big bang as :
(1) There are some red shifts of different galaxies which means that the universe is expanding.
(2) Due to the expanding of universe, some of the new elements are created like hydrogen, deuterium etc.
(3) Microwaves are detected by orbiting detectors.
All this parameters shows that big bang theory was correct.
Answer:
The net force is zero because both volleyball players are hitting the ball with same force.
Explanation:
False!
It’s false. The answer is False.
Dropping the ball as this will decrease flight time than the one thrown
Answer:
Magnification= -image distance/object distance
.253=image distance/33.5
image distance= 8.48 cm