That could be a comet, or any one of the billions of meteoroids
moving in a cloud that's actually the remains of a shattered comet.
<span>On what:
f (is the focal length of the lens) = ?
p (is the distance from the object to the lens) =15.8 cm
p' (is the distance from the image to the spherical lens) = 4.2 cm
</span><span>Using the Gaussian equation, to know where the object is situated (distance from the point).
</span>
Product of extremes equals product of means:
The acceleration is
Explanation:
We can solve the problem by applying Newton's second law of motion: in fact, the net force acting on an object is equal to the product between the mass of the object and its acceleration. Therefore we can write:
where:
is the resultant force acting on the object
m is its mass
a is its acceleration
In this problem, we have the following forces acting on the system:
(forward)
(backward)
So, Newton's second law can be rewritten as:
where:
m = 1050 kg is the mass of all the students
Solving the formula for a, we find the acceleration of the system:
Learn more about Newton's second law:
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Both of your answers are correct
Complete Question
The complete question is shown on the first uploaded image (reference for Photobucket )
Answer:
The electric field is
Explanation:
From the question we are told that
The linear charge density on the inner conductor is
The linear charge density on the outer conductor is
The position of interest is r = 37.3 mm =0.0373 m
Now this position we are considering is within the outer conductor so the electric field at this point is due to the inner conductor (This is because the charges on the conductor a taken to be on the surface of the conductor according to Gauss Law )
Generally according to Gauss Law
=>
substituting values
The negative sign tell us that the direction of the electric field is radially inwards
=>