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Viktor [21]
3 years ago
14

The magnetic field 0.02 m from a wire is 0.1 t. what is the magnitude of the magnetic field 0.01 m from the same wire?

Physics
2 answers:
larisa86 [58]3 years ago
6 0

Answer:

The answer choice is D. 0.2T

Explanation:

juin [17]3 years ago
3 0

Answer:

0.2 T

Explanation:

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Find the time taken by body whose rate and distance is 6 miles per hour and 2 miles respectively?
xxTIMURxx [149]

Answer:

12 miles per hour

Explanation:

time is equal to speed times distance

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A hot plume of mantle material, which may extend to the core-mantle boundary, produces a volcanic region a few hundred kilometer
Fantom [35]

Answer: Hot spot

The volcanic hot spot is an area in the mantle from which heat rises as a thermal plume from deep in the Earth.

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Define these terms about speed and state their units<br> speed​<br>distance covered<br>time taken
Neporo4naja [7]

Explanation:

Speed is the rate of change of distance with time. It is a scalar quantity with magnitude both no direction.

  Speed  = \frac{distance}{time}

The unit is m/s or km/hr or mile/hr

Distance covered is simply the length of the path traveled.

 The unit is m or km or miles

Time taken is the duration of an event.

  The unit is seconds or minutes or hour.

4 0
2 years ago
Several forces act on an object at rest. It is known that the sum of the forces acting on the object is zero. Which statement is
MAVERICK [17]

Answer:

When net force of zero acting on a ball which is at rest , then the object center of mass will not accelerate , but the object may begin to rotate .

Explanation:

Here when there is an object where several forces are acing upon  are zero then the center of mass will not accelerate because we know that

    A_{com}=\frac{F_{net}}{M}

Where A_{com} = acceleration of center of mass  

            F_{net} = net force = 0

   So the acceleration of center of mass will be zero

But the torque ,may not be zero as torque is product of individual force and perpendicular force .

 Since if torque is not equal to zero then the object may begin to rotate

4 0
3 years ago
Consider an air parcel at latitude = 18◦N, moving northward (conserving absolute vorticity), with initial relative vorticity = 5
mariarad [96]

Answer:

relative vorticity is  -0.868 × 10^{-5} s-1

Explanation:

given data

air parcel at latitude = 18◦N

relative vorticity = 5.8 × 10^−5 s−1

to find out

relative vorticity

solution

we will apply here conservation of vorticity that is

ζ + f = constant

we know ζ initial = 2Ωsin(5π/18)

and  f initial = 5.8 × 10^{-5}

and f final =  2Ωsin(π/18)

and here angular frequency Ω = 0.7272 × 10^{-4} s-1

its mean

ζ initial -  ζ final = f final - f initial

so

ζ final =  ζ initial - f final + f initial

ζ final =  - 2Ωsin(5π/18) + ( 2Ωsin(π/18) +  5.8 × 10^{-5}  )

ζ final =  - 2(0.7272 × 10^{-4}) sin(5π/18) + ( 2(0.7272 × 10^{-4})sin(π/18) +  5.8 × 10^{-5}  )

ζ final = -0.868 × 10^{-5} s-1

so relative vorticity is  -0.868 × 10^{-5} s-1

6 0
3 years ago
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