A sledder is at rest atop a 5.0-m high hill. She’s texting and doesn’t realize her sled starting to slip, moving her to the bott
om, and then up to the top of the adjacent 3.0-m high hill. How fast is the she going at point (B)? Ignore friction. (round to the nearest hundreth; use g=10m/s^2).
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To solve this problem we will apply the concepts related to the Magnetic Force, this is given by the product between the current, the body length, the magnetic field and the angle between the force and the magnetic field, mathematically that is,
Here,
I = Current
L = Length
B = Magnetic Field
= Angle between Force and Magnetic Field
But
Rearranging to find the Magnetic Field,
Here the force per unit length,
Replacing with our values,
Therefore the magnitude of the magnetic field in the region through which the current passes is 0.0078T