Answer:
About 1-3 km
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Answer:
= 0.086J
Explanation:
we are given three equal charges q₁ q₂ q₃ = 1.60 μC
sides of triangle = 0.800m
U = 1/4πε₀(3q²/r)
1/4πε₀ = 9.0 × 10⁹ N.m²/C²
U = 9.0 × 10⁹ ((3 * 1.60 × 10⁻⁶)² / (0.800))
= 0.086J
Night hunting animals have more rod cells in their retinas which allows them to see better in the dark.
constant = 2 and 4
variable = y
Explanation:
A constant is usually a symbol with a known value. In the expression, the constants are 2 and 4.
Their values are accurately known.
A variable is place holder and the value is not known. Variables are not static. They can take different numerical values as defined by an equation:
2cm +4y
the cm is the a unit
2 and 4 are constants
y is a variable that can assume any value
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Experiment brainly.com/question/1621519
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Answer:
(a) The average speed is 0.85 milles/minute
(b) The average velocity is zero
Explanation:
In order to answer part (a) and (b) you have to apply the formulas for average speed and average velocity which are:
<em>-Average speed formula:</em>

where d is the total distance traveled and t is the tota time
Replacing the given values:
milles/minute
Notice that you have to replace the total distance, which is 14 milles for the go plus 14 milles for the return. The same for the total time.
<em>-Average velocity formula:</em>
V = Δx/Δt
Where V is the velocity vector, Δx is the displacement and Δt is the change in time
V= 
Where X2 is the final position and X1 is the initial position
In this case X1= 0 i and X2=0 i (i is the unit vector in the x direction). So, the displacement is zero.
Therefore, the average velocity is:
V= 0 i [milles/minute]