Author Question: A ball is thrown up into the air. Ignore air resistance. When it is rising and reaches half of its ... (Read 49 times)

pragya sharda · **on:** Jul 29, 2018

A ball is thrown up into the air. Ignore air resistance. When it is rising and reaches half of its maximum height, the net force acting on it is

A) equal to its weight.
B) greater than its weight.
C) less than its weight, but not zero N.
D) zero N.
E) Cannot be determined without additional information.

Question 2

The state of a hydrogen atom is defined to be a specific assignment of values for each of the four quantum numbers.

Indicate whether the statement is true or false