Answer:
It was safe to handle the circuit with dry hands because dry skin body resistance is very high, measuring up to 500,000 ohms.
Explanation:
Given;
Current of 0.001 A to be felt
Current of 0.005 A can produce a pain response
Current of 0.015 A can cause a loss of muscle control
Total current that traveled in the three-battery circuit = 0.03 A
Thus, we can conclude that, it was safe to handle the above mentioned circuit with dry hands because dry skin body resistance is very high, measuring up to 500,000 ohms.
Answer:The fluid friction or drag can be reduced are minimised by giving special shape called streamlined shape to the objects which Move through fluids like air or water
Explanation:
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The angle of diffraction of the blue light that passed through a slit of a diffraction grating is 63.5⁰.
<h3>Angle of diffraction</h3>
The angle of diffraction of the blue light that passed through a slit of a diffraction grating is calculated as follows;
mλ = dsinθ
sin θ = mλ/d
sin θ = (1 x 425)/475
sin θ = 0.8947
θ = sin⁻¹(0.8947)
θ = 63.5⁰
Thus, the angle of diffraction of the blue light that passed through a slit of a diffraction grating is 63.5⁰.
Learn more about angle of diffraction here: brainly.com/question/5292271
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Answer:
21.22s
Explanation:
initial velocity u=87m/s
acceleration a=-4.10 m/s²
velocity v=0
time t=?
From Newton's first law of motion
V=u+at
0=87-4.10t
-87=-4.1t
t= -87/-4.1
t= 21.22 s
