Calculate the total displacement of a mouse walking along a ruler, if it begins at the x=5cm, and then does the following: It wa
1 answer:
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Answer:
BA
0
Explanation:
B = Magnetic field
A = Area
= Angle
t = Time taken
Before rotation the magnetic flux is given by
Magnetic flux is BA
After rotation the magnetic flux is given by
The magnetic flux is 0
Magnitude of emf is given by
The magnitude of the average emf induced in the entire coil is
Answer:
25 m/s
Explanation:
First of all, we can find the acceleration the object by using Newton's second law of motion:
where
F = 20.0 N is the net force applied on the object
m = 4.0 kg is the mass of the object
a is its acceleration
Solving for a, we find
Now we know that the motion of the object is a uniformly accelerated motion, so we can find its final velocity by using the following suvat equation:
where
v is the final velocity
u = 0 is the initial velocity
is the acceleration
t = 5 s is the time
By substituting,