- Mechanics (^47)
clock), the magnitudes of the accelerations
remaining unchanged.
Will the operator finish his working day
in time, or will he work more (less) than
required?
1.101. The atmospheric pressure is known to
decrease with altitude. Therefore, at the up-
Lti
;/'''/////77/vA/•,••'
Fig. 52
per storeys of the Moscow State University
building the atmospheric pressure must be
lower than at the lower storeys. In order to
verify this, a student connected one arm of
a U-shaped manometer to the upper audito-
rium and the other arm to the lower audito-
rium.
What will the manometer indicate?
1.102. Two thin-walled tubes closed at one
end are inserted one into the other and com-
pletely filled with mercury. The cross-sec-
tional areas of the tubes are S and 2S.
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