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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli
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(a) Calculate the total force of the atmosphere acting on

Chapter 4, Problem 9P

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QUESTION:

(a) Calculate the total force of the atmosphere acting on the top of a table that measures \(\mathrm{1.6 ~m \times 2.9 ~m}\). (b) What is the total force acting upward on the underside of the table?

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QUESTION:

(a) Calculate the total force of the atmosphere acting on the top of a table that measures \(\mathrm{1.6 ~m \times 2.9 ~m}\). (b) What is the total force acting upward on the underside of the table?

ANSWER:

ANSWER:STEP 1:-The velocity of the car is 10 m/s.Let it’s mass be “m” kg.The kinetic energy it has, 2 2 K.E = 1/2×m×V = 1/2×m×10 = 1/2×m×100 = 50 m jules.The kinetic energy should get doubled. We know as far as the velocity is not very close to thespeed of light, we don’t have to worry about the relativistic corrections while calculating thekinetic energy. So, as mass is a constant, to double the kinetic energy the velocity must be

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