Part A A scalloped hammerhead shark swims at a steady speed of 1.6 m/s with its

Question

Part A

A scalloped hammerhead shark swims at a steady speed of 1.6 m/s with its 85-cm-wide head perpendicular to the earth's 56 T magnetic field.

What is the magnitude of the emf induced between the two sides of the shark's head?

Express your answer using two significant figures. in units of mV

Part B

The figure shows a 13-cm-long metal rod pulled along two frictionless, conducting rails at a constant speed of 4.0 m/s . The rails have negligible resistance, but the rod has a resistance of 0.60 .(Figure 1)

What is the current induced in the rod?

Express your answer using two significant figures.

What is the magnitude of the force is required to keep the rod moving at a constant speed?

Express your answer using two significant figures.

Explanation / Answer

Part A)

we know that

EMF induced

E = BVL

E = 56x1.6 x0.85 x 10^-6

E = 0.07616 mV

part B)

E = BVL

current

i = BVL/R

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