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KengaRu [80]
3 years ago
14

"a 2.0-m straight wire carrying a current of 0.60 a is oriented parallel to a uniform magnetic field of 0.50 t. what is the magn

itude of the magnetic force on it? "
Physics
1 answer:
Oksana_A [137]3 years ago
8 0
The magnitude of the magnetic force acting on the wire is zero, because the magnetic field is parallel to the wire.

In fact, the magnetic force exerted by the magnetic field on the wire is
F=ILB \sin \theta
where I is the current in the wire, L the length of the wire, B the magnetic field intensity and \theta the angle between the direction of B and the wire. In our problem, B and the wire are parallel, so the angle is 0^{\circ} and so \sin \theta =0, therefore the magnetic force is zero: F=0.
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A shunting engine in a rail yard is working on a straight east-west section of line. First it travels west for 150 s with an ave
Ymorist [56]

Displacement-1

\\ \rm\longmapsto Velocity(Time)

\\ \rm\longmapsto 150(4)

\\ \rm\longmapsto 600m

Displcaement-2

\\ \rm\longmapsto 200(3)

\\ \rm\longmapsto 600m

Total displacement=600+600=1200m

7 0
2 years ago
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A plane flying against the wind covers the 900-kilometer distance between two aerodromes in 2 hours. The same plane flying with
Mashcka [7]

Answer:

The speed of the wind is 25 km/hr.

Explanation:

Let us call v_p the speed of the plane and v_w the speed of the wind. When the plane is flying against the wind, it covers the distance of 900-km in 2 hours (120 minutes); therefore;

(1). v_p - v_w = \dfrac{900km}{120min}

And when the plane is flying with the wind, it covers the same distance in 1 hour 48 minutes (108 minutes)

(2). v_p+v_w= \dfrac{900km}{108min}

From equation (1) we solve for v_p and get:

v_p = \dfrac{900km}{120min}+v_w,

and by putting this into equation (2) we get:

\dfrac{900km}{120min}+v_w+v_w= \dfrac{900km}{108min}

2v_w= \dfrac{900km}{108min}-\dfrac{900km}{120min}

2v_w = 8.3km/min - 7.5km/min

2v_w = 0.83km/min

v_w = 0.4165km/min

or in km/hr this is

\boxed{v_w= 25km/hr }

4 0
3 years ago
What is the name of the special science tool he can use to predict genetic outcome?
Fittoniya [83]
The answer to the given question above would be a PUNNETT SQAURE. SO the name of the <span>special science tool that he can use to predict genetic outcome is a PUNNETT SQUARE. Hope this answers your question. Have a great day ahead. Let me know if you need more help next time.</span>
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3 years ago
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DanielleElmas [232]
All the colors of the visible spectrum
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3 years ago
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A skydiver jumps from an airplane that is moving at 50 meters per second at a height of 1,000 meters what describes the skydiver
kkurt [141]

Answer:

11060M  Joules, where M is the mass of the diver in kg

Explanation:

Mass of the skydiver missing, we're assuming it's M.

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7 0
2 years ago
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