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riana

Questions (6)

a small airplane is dropping a probe in a remote area in antarctica in a narrowly specified location. the probe in a protective
1. 1 answer
2. 874 views
Why is it expected that 2/10 of the ejected electrons will cone from the n=1 shell, and 8/10 ofthe electron from the n=2 shell?
1. 1 answer
2. 808 views
1 a boy was employed on the understanding that he was to receive 'p' paise for everyday he worked and 'q' paise for everyday
1. 1 answer
2. 397 views
a bullet initially moving with a velocity 20m/s strikes a target and comes to rest after penetrating a distance 10cm in the
1. 4 answers
2. 723 views
a car starts from rest , attains a velocity of 36kmph with an acceleration of 0.2m/s^2 travels 9km with this uniform velocity
1. 5 answers
2. 3,903 views
the mass number of an element is 18 it contains 7 electrons what is the number of protons and neutrons in it what is atomic
1. 1 answer
2. 563 views

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