It takes 25.7 n to push a crate
at a constant speed across flat
ground where mk = 0.238.
what is the normal force acting
on the crate?
(unit = n)

The correct answer is c. hope this

When seismic waves hit a fault, the waves are reflected off the fault. seismograph can detect these reflected seismic waves. geologists then use these data to map the fault's length and depth