A force that results from charged particles is called?
2 answers:
Answer:
Electrostatic force
Explanation:
The force that acts between charged particles is called electrostatic force. Its magnitude is given by:
where
k is the Coulomb's constant
q1 and q2 are the magnitudes of the two charges
r is the distance between the two charges
Concerning the direction of the force:
- The force is attractive when the two charges have opposite signs, and
- The force is repulsive when the two charges have same sign
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Answer:
The time where the avergae speed equals the instaneous speed is T/2
Explanation:
The velocity of the car is:
v(t) = v0 + at
Where v0 is the initial speed and a is the constant acceleration.
Let's find the average speed. This is given integrating the velocity from 0 to T and dividing by T:
v_ave = v0+a(T/2)
We can esaily note that when <u><em>t=T/2</em></u><u><em> </em></u>
v(T/2)=v_ave
Now we want to know where the car should be, the osition of the car is:
Where x_A is the position of point A. Therefore, the car will be at:
<u><em>x(T/2) = x_A + v_0 (T/2) + (1/8)aT^2</em></u>
Answer:
v = 11.1m/s
Vx = 7.19m/s
Vy = 8.45m/s
V(sedan) = 30.4m/s
V(suv) = 25.9m/s
Explanation:
