I think the orange thing on the gun but i dont know what principle it is but i think its c
Explanation:
Whem you press the orange thing it starts to work
Answer:
Rubber
Explanation:
Rubber is not a conductor of electricity
Answer: Attached below is the well written question and solution
answer:
i) Attached below
ii) similar parameter = 
Explanation:
Using ; L as characteristic length and Vo as reference velocity
i) Nondimensionalize the equations
ii) Identifying similarity parameters
the similar parameters are = 
Attached below is the detailed solution
Explanation:
The three-second rule is recommended for passenger vehicles during ideal road and weather conditions. Slow down and increase your following distance even more during adverse weather conditions or when visibility is reduced. Also increase your following distance if you are driving a larger vehicle or towing a trailer.