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3 years ago

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A good train took 7 hours to complete its journey. For the first 3 hours, it travelled an average speed of 186km/h. What was the

total distance of the journey? ____ km

1 answer:

Sliva [168]3 years ago

4 0

I really hope this helps

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3 years ago

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How would you set up SMART goals for your clients?

aleksklad [387]

Answer: The client must be advised while preparing a goal either for a treatment or for a fitness class.

Explanation:

The client goal must be set in a way that it should be measurable, attainable, time-bound.

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The heaviest weight ever lifted by a human ear is 51.7kg. how many pounds is this?

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4 years ago

A 2,200 kg railway freight car coasts at 3.6 m/s underneath a grain terminal, which dumps grain directly down into the freight c

suter [353]

Answer:

$m_2=2554.83\ kg$

Explanation:

Given that,

Mass of the car, $m_1=2200\ kg$

Initial speed of the car, $u=3.6\ m/s$

Final speed of the car, $v=3.1\ m/s$

To find,

The maximum mass of grain that it can accept.

Solution,

We know that according to the law of conservation of momentum, the initial momentum is equal to the final momentum.

$m_1u=m_2v$

$m_2=\dfrac{m_1u}{v}$

$m_2=\dfrac{2200\times 3.6}{3.1}$

$m_2=2554.83\ kg$

Therefore, the maximum mass of grain that it can accept is 2554.83 kg. Hence, this is the required solution.

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3 years ago

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