The average acceleration between t = 5.6 s and t = 8.5 s is 2.31 m/s²
<h3>What is acceleration?</h3>
Acceleration is defined as the rate change of velocity with time.
acceleration a = (Δv) / (Δt)
An object is moving with initial velocity u =5.7 m/s and its final velocity v= -1.0 m/s.
Time taken for the change in speed, t= 8.5 - 5.6 = 2.9 seconds
The acceleration is given by
a = (-1 - 5.7)/ 2.9
a = - 2.31 m/s²
|a | = 2.31 m/s²
Thus, the object's acceleration is 2.31 m/s²
Learn more about acceleration.
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Answer:
The self-induced emf in this inductor is 4.68 mV.
Explanation:
The emf in the inductor is given by:
![\epsilon = -L\frac{dI}{dt}](https://tex.z-dn.net/?f=%20%5Cepsilon%20%3D%20-L%5Cfrac%7BdI%7D%7Bdt%7D%20)
Where:
dI/dt: is the decreasing current's rate change = -18.0 mA/s (the minus sign is because the current is decreasing)
L: is the inductance = 0.260 H
So, the emf is:
![\epsilon = -L\frac{dI}{dt} = -0.260 H*(-18.0 \cdot 10^{-3} A/s) = 4.68 \cdot 10^{-3} V](https://tex.z-dn.net/?f=%20%5Cepsilon%20%3D%20-L%5Cfrac%7BdI%7D%7Bdt%7D%20%3D%20-0.260%20H%2A%28-18.0%20%5Ccdot%2010%5E%7B-3%7D%20A%2Fs%29%20%3D%204.68%20%5Ccdot%2010%5E%7B-3%7D%20V%20)
Therefore, the self-induced emf in this inductor is 4.68 mV.
I hope it helps you!
Maybe the water wasnt stable enough and probably couldnt read the water level correctly
The first one is Force & the second one Power.