On a 20-mile bike ride, you ride the first 10 miles at an average speed of 9 mi/h. Part A What must your average speed over the next 10 miles be to have your average speed for the total 20 miles be 5 mi/h ? Express your answer using two significant figures. V = V ΑΣΦ mi/h

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A: Unit of g = m/s²Unit of D = mUnit of ρ = kg/m³Unit of ∆ρ = kg/m³Unit of f = 1/sUnit of ∆y = m

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A: Radius of the circle=RIt is released from rest with the hoop's center level with the axis.

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A: Draw the free-body diagram of the system.

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A: Solution:Given:TH = temperature of source of heat for both engines = 642 KQH = heat received by each…

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A: See below

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A: Mass of the board, m = 2.43 kg Let the tension be T and gravitational force be W .Gravitational…

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A: We have given the weight of object = 3.10 kglength of string = 2 mstring mass per unit length = 3.55…

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A: Speed, v = 2.3 m/sDistance, d = 7 kmSpeed of light in vacuum, c = 3.8 m/s

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Q: Questions 21-25 A box drops down from a lorry while moving with a speed of 10 m/s on the road with…

A: Solution:Given:m = mass of the block = 10 kgv = speed of the block = 10 m/sg = gravitational…

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Q: our 1500-kg car is behind a truck traveling at 60.0 mph (27.0 m/s). To pass the truck, you speed up…

A: Initial velocity, u = 27.0 m/sFinal velocity, v = 34.0 m/sTime, t = 6 s

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A: The objective of the question is to find the magnitude of the angular acceleration of the record. We…

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A: Solution:Given:V = voltage between plates = 4.0 x 103 V = 4000 Vd = spacing between the plates =…

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A: Solution:Given:1 m = 100 cmc = speed of the light = 3.00 x 108 m/sf = frequency of the light = 3.75…

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A: Given data:Current, I = 2.20 A (Along south direction)Mass per unit length of wire,

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Q: Find the work done by a person weighing 186 lb. walking exactly four revolutions up a circular,…

A: Solution:Given:1 ft.lb = 1.3558 JW = weight of person = 186 lbn = number of revolutions = 4h = rise…

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A: The frequency is f = 1.35 HZ

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