Explanation:
It is given that,
Length of the wire, L = 2.1 m
Current, I = 5.1 A
Mass of the wire, m = 0.2 kg
Let B is the magnitude of the magnetic field necessary to have this wire "float" in the Earth's gravitational field such that,
B = 0.18 T
The direction of magnetic field is given by Fleming's left hand rule. Here, the magnetic field is in +x direction.
Answer:
The magnitude of the electric field between the plates is half its initial value.
Explanation:
We know the electric field E = V/d where V = voltage applied and d = separation between plates.
Since V is constant and V = Ed,
So, E₁d₁ = E₂d₂ where E₁ = initial electric field at separation d₁, d₁ = initial separation of plates, E₂ = final electric field at separation d₂ and d₂ = final separation of plates.
So, E₂ = E₁d₁/d₂
Now, the distance between the plates is twice their original separation. Thus, d₂ = 2d₁
So, E₂ = E₁d₁/2d₁ = E₁/2
So, E₂ = E₁/2
Thus, the magnitude of the electric field between the plates is half its initial value.
Answer:
Smaller
Explanation:
Net force = Total mass * acceleration
If there is no friction, the net force is the tension in the second rope. Let’s assume the mass of each block is 2 kg, and the tension in the second rope is 8 N.
8 = 4 * a
a = 2 m/s^2
Since there is friction, the tension in the first rope is causing the first block to accelerate. To determine tension, use the following equation.
F = m * a
T = 2 * 2 = 4 N
If there is no friction and both blocks have the same mass, the tension in the second rope will be less than the tension in the first rope. I hope this helps you. If the masses are different, you can use this method to determine the tension in the first rope.
Answer:
Earth has a smaller mass than the Sun, but it is much closer to you than the Sun, allowing for a stronger force of attraction.
Explanation:
Earth is smaller than the Sun, but since you are very close to Earth and far away from the sun, the earth's gravity has more effect on you.
