I was ranked 2nd in my physics class by literally 0.002% behind 1st place. my teacher said BoS only accept rounded-off ranks, so she told me I was placed =1st when it came to submitting final ranks to the Board.
Is this true? because I heard on here that it's the marks that get looked at, not...
A single positively charged particle, mass 4.6x10^-27kg, enters a 4.0T magnetic field into the page at 2.5x10^6m/s. The field covers an area of 0.1mx0.1m. It enters at 90 degrees, 0.05m up from the bottom left corner.
a) Calculate the force on the particle while it is in the field.
b) Calculate...