Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 1, Problem 41P
To determine
To Show: The dimension of momentum in terms of dimensions of force and time.
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Kinetic energy K (Chapter 7) has dimensions kg m²/s².
It can be written in terms of the momentum p
and mass mas
K =
2m
Determine the proper units for momentum using
dimensional analysis.
Momentum (p) is a quantity with unit kgms−1 . It is thought to be related to the mass (m) and velocity (v) of a particle. Use dimensional analysis to find the relationship among p, m and v.
Kinetic energy KE (Chapter 5) has dimensions kgm2/s2. It can be written in terms of the momentum p (Chapter 6) and mass m as KE = p2/2m
(a) Determine the proper units for momentum (p) using dimensional analysis.
(b) Refer to Problem 2. Given the units of force, write a simple equation relating a constant force F exerted on an object, an interval of time t during which the force is applied, and the resulting momentum of the object, p.
Chapter 1 Solutions
Physics for Scientists and Engineers
Ch. 1 - Prob. 1PCh. 1 - Prob. 2PCh. 1 - Prob. 3PCh. 1 - Prob. 4PCh. 1 - Prob. 5PCh. 1 - Prob. 6PCh. 1 - Prob. 7PCh. 1 - Prob. 8PCh. 1 - Prob. 9PCh. 1 - Prob. 10P
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