Answer:
Explanation:
The lowest trophic level in an ecosystem is occupied by producers or autotrophs also known as plants.
Answer:
EMF = 108.3 Volts
Explanation:
As per Faraday's law of electromagnetic induction we know that rate of change in magnetic flux will induce EMF in closed loop
So it is given as
![EMF = N\frac{d\phi}{dt}](https://tex.z-dn.net/?f=EMF%20%3D%20N%5Cfrac%7Bd%5Cphi%7D%7Bdt%7D)
![EMF = N\frac{BA - 0}{\Delta t}](https://tex.z-dn.net/?f=EMF%20%3D%20N%5Cfrac%7BBA%20-%200%7D%7B%5CDelta%20t%7D)
now we know that
N = 50 turns
B = 1.5 T
A = 0.325 m^2
![\Delta t = 0.225 s](https://tex.z-dn.net/?f=%5CDelta%20t%20%3D%200.225%20s)
now we have
![EMF = (50)(\frac{1.5\times 0.325}{0.225})](https://tex.z-dn.net/?f=EMF%20%3D%20%2850%29%28%5Cfrac%7B1.5%5Ctimes%200.325%7D%7B0.225%7D%29)
![EMF = 108.3 Volts](https://tex.z-dn.net/?f=EMF%20%3D%20108.3%20Volts)
Answer:
The metal will melt but their will be no change in temperature.
Explanation:
The metal is at its melting temperature which means it is still in solid phase but have to cross the enthalpy of its condensation at this same temperature to convert into liquid phase.
<u>On supplying heat, the metal's temperature will not change as the heat will be required as enthalpy of condensation to melt the solid to liquid at the melting temperature.</u>
Answer:
the object has negative acceleration and eventually
Answer:
a) θ = 14.23º, b) θ₂ = 75.77, c) t = 0.6019 s
Explanation:
This is a missile throwing exercise.
a) the reach of the ball is the distance traveled for the same departure height
R =
sin 2θ =
sin 2θ = 7.00 9.8 / 12.0²
2θ = sin⁻¹ (0.476389) = 28.45º
θ = 14.23º
the complementary angle that gives the same range is the angle after 45 that the same value is missing to reach 90º
θ ’= 90 -14.23
θ’= 75.77º
b) the two angles that give the same range are
θ₁ = 14.23
θ₂ = 75.77
the greater angle has a much greater height so the time of the movement is greater and has a greater chance of being intercepted by the other team.
C) the time of the pass can be calculated with the expression
x = v₀ₓ t
t = x / v₀ₓ
t = 7 / 11.63
t = 0.6019 s