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2 answers:
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Answer:
40.0⁰
Explanation:
The formula for calculating the magnetic flux is expressed as:
where:
is the magnetic flux
B is the magnetic field
A is the cross sectional area
is the angle that the normal to the plane of the loop make with the direction of the magnetic field.
Given
A = 0.250m²
B = 0.020T
= 3.83 × 10⁻³T· m²
3.83 × 10⁻³ = 0.020*0.250cosθ
3.83 × 10⁻³ = 0.005cosθ
cosθ = 0.00383/0.005
cosθ = 0.766
θ = cos⁻¹0.766
θ = 40.0⁰
<em>Hence the angle normal to the plane of the loop make with the direction of the magnetic field is 40.0⁰</em>
Answer:
a
b
Explanation:
From the question we are told that
The distance travel in 4.22 s is
The mass of the cart plus the fan is
Generally from kinematic equation we have that
Here u is the initial velocity with value
So
=>
Generally the net force is
=>
=>
Gnerally the new mass of the cart plus the fan is
The distance considered is
Generally the new acceleration of the cart is mathematically represented as
=>
=>
=>
Gnerally from kinematic equation we have
Here u is the initial velocity and the value is zero because it started from rest
=>
=>