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| Pearson's Mylab & Masteri MasteringPhysics: Hw ! × + O https://sess on master ngphysics com ryct item View?assignmentProblemlD 103217877 W 5:4.1-4.7 roblem 4.82 Constants Part A A-domsday'siroid with amass of 1 0×100 kg sturtirg trough space. Unkess the aserods speed is changed by about 0 15 cm/s, will collide wth Earth and cause tremendous damage Researchers suggest that a small "space tug sent to the asterods surface could exert a gentle constant force of 35 For how kong must thes force act? Express your answer to two significant figures and include the app 61.3 Submit Previous Answers Request Answer X Incorrect Try Again; 5 attempts remaining Provide Feedback 0 Type here to search SUExplanation / Answer
Using Newton's second law,
Force, F = ma
Accceleration, a = F / m = 3.5/ (10^10) = 3.5 x 10^-10 m/s^2
From kinematic equations,
v = u + at
t = (v - u) /a
t = (0 - 0.0015) / (3.5 x 10^-10) = 4.29 x 10^6 s
t = (4.29 x 10^6) / 86400 = 49.60 days
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