3. A girl is being pulled at the rate of 3 m/s at the instant (t = 0) when her friend released her hand. The girl then begins to skate in the same direction of the motion exerting a force of 10N. If the weight of the girl is 45kg, and the resistance (R in Newtons) is equal to 0.1v, where v is measured in m/s, find the speed of the girl after half a min.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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3. A girl is being pulled at the rate of 3 m/s at the instant (t = 0) when her friend released her
hand. The girl then begins to skate in the same direction of the motion exerting a force of
10N. If the weight of the girl is 45kg, and the resistance (R in Newtons) is equal to 0.1v,
where v is measured in m/s, find the speed of the girl after half a min.
Transcribed Image Text:3. A girl is being pulled at the rate of 3 m/s at the instant (t = 0) when her friend released her hand. The girl then begins to skate in the same direction of the motion exerting a force of 10N. If the weight of the girl is 45kg, and the resistance (R in Newtons) is equal to 0.1v, where v is measured in m/s, find the speed of the girl after half a min.
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