Question

a ball projected vertically upwards from a ground with an initial velocity u returns to ground after time t. the max h is H. the speed of projection of ball is increased by n time it's earlier value. the ratio of percentage change in H and T is?

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Answer 1

Answer:

The modern atomic theory states that atoms of one element are the same, while atoms of different elements are different. ... This number of protons is so important to the identity of an atom that it is called the atomic number. The number of protons in an atom. of the element.