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Sedaia [141]
4 years ago
6

Define net force????????

Physics
2 answers:
Yuliya22 [10]4 years ago
6 0

Answer:

Net force is a vector quantity; a sum of forces acting on an object.

Explanation:

Usimov [2.4K]4 years ago
3 0
Ahhh...Net Force.
Net force is simply the overall force acting on an object. Basically, All of the *un*balanced forces acting on that particular object. The Balanced forces cancel each other because they are balanced.
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Newton observed the action of a prism on white light and on red light. Because he (did or did not) control the event, this inves
natulia [17]
Newton observed the action of a prism on the white light and on red light. Because he did not control the event, this investigation of light was an observational study.

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4 years ago
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On a day the air is still a windmill still posses what type of energy is that ?
Montano1993 [528]

Well, it's up on top of a pole or pedestal of some sort,
so it has some gravitational potential energy relative to
the ground.  In other words, if it somehow became detached
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Also, the windmill is at the temperature of the air around it,
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Then I guess there's the matter of the chemical energy in the
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6 0
3 years ago
How does Newton's third law of motion give a property of process​
elixir [45]

Answer:

Newton's third law explains the generation of thrust by a rocket engine. In a rocket engine, hot exhaust gas is produced through the combustion of a fuel with an oxidizer. The hot exhaust gas flows through the rocket nozzle and is accelerated to the rear of the rocket. In re-action, a thrusting force is produced on the engine mount.

Explanation:

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5 0
3 years ago
Two wires, both with current out of the page, are next to one another. The wire on the left has a current of 1 A and the wire on
Soloha48 [4]

Answer:

C. The left wire attracts the right wire and exerts as much force as the right wire does.

Explanation:

To know what is the answer you first take into account the magnetic field generated by each current, for a distance of d:

B_1=\frac{\mu_oI_1}{2\pi d}=\frac{\mu_o}{2\pi d}(1A)\\\\B_2=\frac{\mu_oI_2}{2\pi d}=\frac{\mu_o}{2\pi d}(2A)=2B_1\\\\

Next, you use the formula for the magnetic force produced by the wires:

\vec{F_B}=I\vec{L}\ X \vec{B}

if the direction of the L vector is in +k direction, the first wire produced a magnetic field with direction +y, that is, +j and the second wire produced magnetic field with direction -y, that is, -j (this because the direction of the magnetic field is obtained by suing the right hand rule). Hence, the direction of the magnetic force on each wire, produced by the other one is:

\vec{F_{B1}}=I_1L\hat{k}\ X\ B_2(-\hat{j})=I_1LB_2\hat{i}=(2A^2)\frac{L\mu_o}{2\pi d}\hat{i}\\\\\vec{F_{B2}}=I_2L\hat{k}\ X\ B_2(\hat{j})=I_2LB_1\hat{i}=-(2A^2)\frac{L\mu_o}{2\pi d}\hat{i}

Hence, due to this result you have that:

C. The left wire attracts the right wire and exerts as much force as the right wire does.

6 0
4 years ago
A small bubble rises from the bottom of a lake, where the temperature and pressure are 4°C and 3.0 atm, to the water's surface,
qwelly [4]

Answer:

7.13mL

Explanation:

P₁V₁T₁ = P₂V₂T₂

P₁ = 3atm , V₁ = 2.1 mL , T₁ = 273 + 4 =277K

P₂ = 0.95atm , V₂ = ? , T₂ = 273 + 25 =298K

V₂ = P₁V₁T₂ / P₂T₁

V₂ = (3atm)(2.1 mL )(298K) / (0.95atm)(277K)

V₂ = 7.13mL

6 0
4 years ago
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