What is the x-component of the total electric field due to these two charges at a point on the x-axis?
1 answer:
Find the total x - component of the electric field at that point and get the resultant or the algebraic sum.
- The electric field is a vector as it gives the force on a unit positive test charge placed at some distance from a charge.
- The electric field due to each charge at that point on the x-axis can be found using the Coulombs formula:
.
- Then one needs to get the x-component of the electric field at the point due to each charge using the concept of the resolution of forces.
- Once the x-components are found, one needs to get the resultant or the algebraic sum of them to calculate the x-component of the total electric field.
- For extra knowledge, how to find the components of a given vector can be found here: brainly.com/question/28524840
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Answer:
The girl has greater tangential acceleration
Explanation:
The angular acceleration () of the merry go round is equal to the rate of the change of the angular velocity,
:
Since all the points of the merry go round complete 1 circle in the same time, the angular velocity of each point of the merry go round is the same, and so all the points also have the same angular acceleration.
The tangential acceleration instead is given by
where
is the angular acceleration
r is the distance from the centre of the merry go round
Since the girl is near the outer edge and the boy is closer to the centre, the value of r for the girl is larger than for the boy, so the girl has greater tangential acceleration.