Static charge occurs when there is an imbalance of positively and negatively charged atoms, so this one should be the last option that it involves ions as well.
Hope this helps :)
Answer:
Speed: 109.4–120.7 km/h (68.0–75.0 mph)
Strength: Couldn't find out.
Explanation:
Answer:
The values is 
Explanation:
From the question we are told that
The slit distance is 
The wavelength is 
At the first half of the screen from the central maxima
The number of bright spot according to the condition for constructive interference is

For maximum number of spot 
So


Now for the both sides plus the central maxima we have

substituting values


Answer:
Distance is path length covered by particle. When particle moves along half circle, it covers half the circumference therefore distance covered is (2×pi×r)/2 = pi× r. ... Hence displacement is equal to diameter or 2 times the radius of circle.