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 For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter3: The Derivative
Section3.3: Rates Of Change
Problem 29E: Explain the difference between the average rate of change of y as x changes a to b, and the...
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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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