2 years ago

What is the discharge of a stream that is one meter deep, two meters wide, and has a water flow of 5 meters per second

Physics

1 answer:

Svet_ta [14]2 years ago

4 0

Answer:

10 m^3 /s

Explanation:

1 m X 2 m X 5 m /s = 10 m^3/s

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A point charge q1 is held stationary at the origin. A second charge q2 is placed at point a, and the electric potential energy o

likoan [24]

Answer:

$U_{b}=+7.3*10^{-8}J$

Explanation:

Given data

Electric potential at point a is Ua=5.4×10⁻⁸J

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Required

Electric potential energy Ub

Solution

When a particle moves from a point where the potential is Ua to a point where it is Ub the change in potential energy is equal to work done where the force exerted on the charge is conservative and work done is given by:

$W_{a-b}=U_{a}-U_{b}\\U_{b}=U_{a}-W_{a-b}$