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lesya [120]
4 years ago
14

What physical property does the symbol iencl represent? the current along the path in the same direction as the magnetic field w

hat physical property does the symbol iencl represent?
Physics
1 answer:
Nesterboy [21]4 years ago
8 0
<span>The physical property that the symbol IencI represents is the net of the current that flows through the Amperian loop. The Amperian loop is not actually present, but instead is the area around a current that would exist assuming that Ampere's law is accurate. It is essentially an invisible loop that surrounds the current and represents the physical property of the current.</span>
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Write the two ways that something can be faster than something else.
777dan777 [17]
Trying and forcing it
5 0
3 years ago
A baseball is hit from a height of 4 feet above the ground with an initial velocity of 110 feet per second and at an angle of 35
mrs_skeptik [129]

Answer:

Part a)

h = 62.2 ft

Part b)

It will not able to cross the pole

Explanation:

As we know that ball is hit with speed of 110 ft/s at an angle of 35 degree

so here we will say

v_y = 110 sin35

v_x = 110 cos35

now at the maximum height the vertical velocity will become zero

so here we can use kinematics

v_f^2 - v_y^2 = 2 a h

here we have

a = -32 ft/s^2

v_f = 0

v_y = 63.1 ft/s

now we have

0 - 63.1^2 = 2(-32)h

h = 62.2 ft

Part b)

now the height of ball is related to the distance from point of projection is given as

y = xtan\theta - \frac{gx^2}{2v^2cos^2\theta}

now we know that

x = 375 ft

y = 375(tan35) - \frac{(32)(375^2)}{2(110^2)(cos35)^2}

y = 262.6 - 277.12 = -14.5 ft

since its coming negative so it will not able to cross the pole

3 0
3 years ago
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dedylja [7]

Answer:

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8 0
3 years ago
Read 2 more answers
A girl walks 5km due north,then in the direction of 60° of northeast towards her final destination.If the magnitude of her resul
storchak [24]

Answer:

4.2 km

Explanation:

A triangle is a polygon with three sides and three angles. There are different types of triangles such as isosceles triangle, scalene triangle, equilateral triangle and right angled triangle.

Sine rule states that for a triangle with angles A,B and C and corresponding opposite sides a, b, and c, the following formula holds:

\frac{a}{sin(A)}=\frac{b}{sin(B)}=\frac{c}{sin(C)}

Let the starting point be A, hence the side opposite to the  angle = a = distance travelled in north east direction.

Let the point of 60° of northeast be B = 90° + (90° - 60°) = 120°, hence the side opposite to the  angle = b = resultant displacement = 8 km.

Let C be the endpoint, hence the side opposite to the  angle = c = distance travelled north = 5 km

Using sine rule:

\frac{b}{sin(B)}=\frac{c}{sin(C)}  \\\\\frac{8}{sin(120)}=\frac{5}{sin(C)}  \\\\sin(C)=\frac{5*sin(120)}{8} =0.5412\\\\C=sin^{-1}(0.5412)=32.8^o\\\\

∠A + ∠B + ∠C = 180° (sum of angle in a triangle)

∠A + 120 + 32.8 = 180

∠A = 27.2°

\frac{b}{sin(B)}=\frac{a}{sin(A)}  \\\\\frac{8}{sin(120)}=\frac{a}{sin(27.2)}  \\\\a=\frac{8*sin(27.2)}{sin(120)} \\\\a=4.2\ km

Therefore she travelled 4.2 km in the north east direction

5 0
3 years ago
Jasper made a list of the properties of electromagnetic waves. Identify the mistake in the list. Electromagnetic Wave Properties
Nata [24]

Answer:

Statement 2 is wrong

Explanation:

To check the statements in this exercise, let's describe the main properties of electromagnetic waves. Let's describe the characteristics

* they are transverse waves

* formed by the oscillations of the electric and magnetic fields

* the speed of the wave is the speed of light

with these concepts let's review the final statements

1) True. Formed by the oscillation of the two fields

2) False. They are transverse waves

3) True. Can travel by vacuum as they are supported by oscillations of the electric and magnetic fields

4) True. They all have the same speed of light

Statement 2 is wrong

6 0
4 years ago
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