Using the right-hand rule, the correct answer is:
1) Magnetic field
2) Electric current
3) Force
The equation corresponding to this graphical representation is
where I is the current, B the magnetic field, L the length of the wire and F the magnetic force.
Answer:
Some parts of your question is missing attached below is the missing parts and the answer provided is pertaining to your question alone
answer : -6661.59 volts
Explanation:
The total electric potential can be calculated using this relation
V = k
q 1 = 1.62 <em>u</em>c
r1 = 4.00 m
q2 = -5.73 <em>u</em>c
r2 = 5.00 m
k = 8.99 * 10^9 N.m^2/c^2
insert the given values into the above equation
V = ( 8.99 * 10^9 ) * = -6661.59 volts
B: gravity is absent in space
Answer:
the direction of the friction force on the car is in the same direction to the VELOCITY of the car.
Explanation:
When the brakes are applied on a moving car then the speed of the car reduces slowly. The slowing of speed and the stopping of car takes a certain time which is proportional to the force applied by the brakes.
The brakes when applied to the moving part on the axle of the vehicle be it either drum or the disc offers the resistance to the rotation of the wheels in the form of friction.
As we know that friction always acts in a direction opposite to the relative motion between the two surfaces. So does here in this case the friction of brakes acts in a direction tangentially opposite to the rotation at the point of application of the brakes.
Similarly, the friction between the tyres and the road acts in a direction tangentially opposite to the direction of the relative motion between the surfaces i.e. the tyres move backwards relative to the road surface and hence the friction acts in the forward direction and is in the same direction as the motion of the car.
The electric force is three times as much
Explanation:
The magnitude of the electric force between two charged object is given by Coulomb's law:
where:
is the Coulomb's constant
are the two charges
r is the separation between the two charges
In this problem, let's call F the initial force between the two charges:
Later, the charge on one of the particles is tripled, so that
Therefore, we can calculate the new electric force between the particles:
Learn more about electric force:
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