1) A parachutist of total mass 90kg (including the parachute) is falling at a terminal velocity of...
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Question:
1) A parachutist of total mass 90kg (including the parachute) is falling at a terminal velocity of 6m/s. Take the force due to gravity on a mass of 1 kg to be 10N. What is the magnitude of the air resistance force acting on her?
A) zero
B) 150N
C) 540N
D) 900N
E) 5400N
2) A heart exerts a maximum (systolic) pressure of 152 mm Hg. This pressure is applied to an aorta of cross sectional area 2 cm2 .What force must be generated by the heart in order to apply this pressure? (Take 760 mm Hg to be 1.0 atmosphere which is 100 kPa.)
A) 0.004 N
B) 4N
C) 40N
D) 400 N
Related Book For
Intermediate Accounting
ISBN: 978-0077400163
6th edition
Authors: J. David Spiceland, James Sepe, Mark Nelson
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