Captain Planet measures the magnetic forces on a proton which is vertically falling at 1996. m/s at the equator (take the Earth's field to be 0.40 Gauss horizontal and pointing Northward).
What FORCE would she measure? (Give both amount of Newtons and direction.)
Question 2
8.0 grams of water initially at 100C are poured into a cavity in a very large block of ice initially at 0C. How many g of ice melt before thermal equilibrium is attained?
A) 10 g
B) 900 g
C) 500 g
D) 100 g
E) an unknown amount; it cannot be calculated without first knowing the mass of the block of ice
The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim
The Ku Klux Klan forces John Campbell, a black man, to beg for his life in Moore County, North Carol
Common Household Measures
Earth scientists have devised a scheme to divide the planet’s natural history into distinct time ...
A current-carrying wire is placed in a uniform magnetic field, as shown below.
Internal and external forces on the parties