2 If the mass of a proton is 1-67X10-21
and the mass of an electron is all X10-343
Calculate the force
of
between
a protron and on election
ril two electrons
il two protrons
fake Ga 6:67X10" Nm2 kg distance
between the protrons
4.0m, distance
between the electrons = 2x 102m,
distance between the electrons ex 102m,
distance between the proton and the
electron -
5.4 x 10-11
m

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong

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