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Rus_ich [418]
3 years ago
7

A boat travels west at 20km/h. The journey lasts 3hours. How far has the boat travelled?

Physics
2 answers:
zhannawk [14.2K]3 years ago
5 0

Answer:

A boat travels for three hours with a... A boat travels for three hours with a current of 3 mph and then returns the same distance against the current in four hours. What is the boat's speed in still water?

Explanation:

Ganezh [65]3 years ago
4 0

Answer:

20 km/hr x 3hr = 60 km

Explanation:

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Once juno reaches jupiter, what is the minimum amount of time it takes for the transmitted signals to travel from the spacecraft
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In very very very round figures . . .

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Explanation:

From the question we are told that

    The work input is  W = ( 245 + A ) \  J

     The heat delivered is Q =  (142 + B) \  J

      The value of A is  A =  14

        The value of B  is  B  = 72

Generally the efficiency of the heat engine is mathematically represented as

          \eta  =  \frac{W}{Q_t}

Here  Q_t is the total out energy produce by the heat engine and this is mathematically represented as

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=>         Q_t=  245 + A + 142 + B

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