A motorboat, operating at full throttle, made a trip 4 miles upstream (against a constant current) in 15 minutes. The return trip (with the same current and at full throttle) took 12 minutes. Find the speed of the current and the equivalent speed of the boat in still water.

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A: Basic Details The time upstream is equal to the ratio of the distance to that of the difference of…

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Q: A motorboat maintained a constant speed of12 miles per hour relative to the water in going 21 miles…

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Q: 2. (a) A motorboat is moving at a speed 10 m/s when its motor shuts and 10 s later the boat slows…

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Q: Car A is traveling at a location where the speed limit is 100 km/h. The police officer in car P…

A: Given Data: Initial velocity of car A (uA) = 128 km/hr = 35.56 m/s.Final velocity of car A (vA) =…

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Q: A firefighter, whose mass (including clothing and equipment) is m = 105kg, hears the alarm and…

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Q: An express train passes through a station. It enters with an initial velocity of 22.6 m/s and…

A: Given, initial velocity = 22.6 m/s a = -0.16 m/s2 length of station = 211 m

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A: Given: The speed of the car is 38.0 m/s.

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Q: A train started in the morning at Am-start(am), stopped in the morning at Am- stop(am) and travelled…

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A: Initial velocity, u = 27 m/s Deceleration, a = -3 m/s² Time, t = 3 s

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A: (i) Let a body of mass m be projected with a speed u in a medium in the positive x-directionWhere Fx…

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Q: A proton initially moves left to right along the x-axis at a speed of 7.0 × 103 m/s. It moves into…

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Q: assuming a chevy cruze may be operated indefinitely at 30 m/s with no stops for provisions and may…

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Q: A water balloon of mass 180 grams is launched with an initial (vertical) velocity of 45 meters per…

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Q: A motorboat maintained a constant speed of 28 miles per hour relative to the water in going 40 miles…

A: Given data: The speed of the motorboat =28 miles/hr The speed of the current = x miles/hr The…

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Q: Consider a non-stationary time series is defined as below Yt = B0 +B1t+et Where et is error term…

A: This problem can be solved using the formula for first difference and then using stationarity…