Question
Mon March 24, 2014 By: Sidharth V

1. A dust particle weighs 6.7* 10^-19 kg. How many such dust particles would weigh 6.7 kg

 

2.What is the effect of the accleration of a particle if the net force of the particle is doubled.

Expert Reply
Mon March 24, 2014
1.
One dust particle weighs = 6.7 * 10-19kg.
Let the number of dust particles = x
Therefore,
x = 6.7 / 6.7 * 10-19= 1019

 
2.
F=m a
a = F / m
If F = 2F, then the acceleration of the particle is doubled.
Therefore, the acceleration of the particle should double if the net force doubles.
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