Answer:
The following options are true based on the properties of electric field;
a) Electric field lines near positive point charges radiate outward.
b) The electric force acting on a point charge is proportional to the magnitude of the point charge.
d) In a uniform electric field, the field lines are straight, parallel, and uniformly spaced.
Explanation:
From option b) From coulomb's law F = Kq1q2r/r2
Answer:
both side charges will exert force on central charge towards left so the two forces add up. Thus resultant force on centre charge is
F = 9×10^9 x 8×10^-6×10×10^-6/16
+
9× 10^9 × 10×10^-6×12×10^-6/64
= 9× 10^9 × 10^ -12/16 (80+30)
=6.18 × 10^-2 N
or
= 0.06 N
Answer:
The ground exerts an equal force on the golf ball
Explanation:
Third's Newton Law states that:
"When an object A exerts a force on an object B, then object B exerts an equal and opposite force on object A".
In this problem, object A is the golf ball while object B is the ground, so we can say that:
- the golf ball exerts a force on the ground
- the ground exerts an equal and opposite force on the golf ball
Answer:
it changes by taking the air from below the plane and curving it to the top causing draw wich slows it down then the weight that pulls it down to land.
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Explanation:
