To: (a) express the Q in the proton-proton cycle in kilograms per hydrogen atoms consumed. (b) calculate the rate at which the Sun’s is losing its hydrogen in the proton-proton cycle. (c) calculate the rate at which the Sun’s is losing its mass. (d) explain the difference in (b) and (c). (e) calculate how long will the Sun take to lose 0.10 % of its mass, if it loses mass at a constant rate as calculated in (c).

Question

In order for Jane to return to base camp, she needs to swing across a river of width D that is filled with alligators. She must swing into a wind exerting constant horizontal force F, F = 110 N, L = 40.0 m, 0 = 50.0°, and her mass to be 50.0 kg. Wind →F Tarzan! Jane (a) with what minimum speed (in m/s) must Jane begin her swing to just make it to the other side? (If Jane can make it across with zero initial velocity, enter 0.) m/s on a vine having length L and initially making an angle with the vertical (see below figure). Take D = 48.0 m, (b) Shortly after Jane's arrival, Tarzan and Jane decide to swing back across the river (simultaneously). With what minimum speed (in m/s) must they begin their swing? Assume that Tarzan has a mass of 80.0 kg. m/s

Answer 1

Question

Chapter 43, Problem 50P

To determine

To:

(a) express the Q in the proton-proton cycle in kilograms per hydrogen atoms consumed.

(b) calculate the rate at which the Sun’s is losing its hydrogen in the proton-proton cycle.

(c) calculate the rate at which the Sun’s is losing its mass.

(d) explain the difference in (b) and (c).

(e) calculate how long will the Sun take to lose 0.10 % of its mass, if it loses mass at a constant rate as calculated in (c).

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