Air resistance is a nonconservative force. it always opposes the motion of an object. an airplane flies from new york to atlanta and then returns to its point of departure. the net work done by air resistance during this round trip
a) is negative for slower speeds and positive for higher speeds
b) is positive
c) is negative
d)is zero
e) is negative for higher speeds and positive for slower speeds
Answers: 3
Physics, 22.06.2019 05:10
What is the electric force acting between two charges of -0.0045 c and -0.0025 c that are 0.0060 m apart? use fe=kq1q2/r^2 and k = 9.00 x 10^9 n*m^2/c^2 a. 1.7 x 10^7 n b. -1.7 x 10^7 n c. -2.8 x 10^9 n d. 2.8 x 10^9 n
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Air resistance is a nonconservative force. it always opposes the motion of an object. an airplane fl...
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