0) French xWA Homework 10 3. -/2 points SerCP11 9 P001 A 24.8 kg girl stands on
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0) French xWA Homework 10 3. -/2 points SerCP11 9 P001 A 24.8 kg girl stands on a horizontal surface. HINT (a) What is the volume of the girl's body (in m3) if her average density is 981 kg/m2 m3 pressure (in Pa) from her weight is exerted on the horizontal surface if her two feet have a combinesd area of 1.40 × 10-2 m2? Pa Need Help? Readt My Notes 2/2 points |Previous Answers SerCP11 9.P003 The weight of Earth's atmosphere exerts an average pressure of 1.01 × 105 Pa on the ground at sea level. Use the definition of pressure to estimate the weight of Earth's atmosphere (in N) by approximating Earth as a sphere of radiusExplanation / Answer
a) volume = m / p
= 24.8 / 981
= 2.53 * 10-2 m3
b) average pressure = F / A = m g / A
= (24.8 * 9.8) / (1.40 * 10-2)
= 17,360 Pa = 1.73 * 104 Pa
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