Describe how the fields in the electromagnetic wave move with respect to the motion of the wave?

1 answer:

5 0

The three directions are all "orthogonal". That means that the direction of the
wave is forward, the direction of the electrostatic field is across it ... say up
and down ... and the magnetic field is also across it but perpendicular to the
electrostatic field ... left and right.

Saying it another way . . .

The electrostatic field and the magnetic field are perpendicular to each other, and
both of them are perpendicular to the direction in which the wave is traveling.

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igor_vitrenko [27]

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Find the torque required for the shaft to transmit 40 kW when (a) The shaft speed is 2500 rev/min. (b) The shaft speed is 250 re

Luba_88 [7]

Answer:

(a) 152.85 Nm

(b) 1528.5 Nm

Explanation:

According to the formula of power

P = τ ω

ω = 2 π f

(a) f = 2500 rpm = 2500 / 60 = 41.67 rps