we have
we know that
and
substitute in the expression
therefore
<u>the answer is</u>
Driving 65 mph, it takes Alicia 3 hours to reach the airport to go on a vacation. It then takes her 4 hours to get to her destin
1 answer:
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Answer:
Step-by-step explanation:
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Answer:
The power of horse is: P = 72000 W
Step-by-step explanation:
Given
- F = 1800 N
- v = 40.0 m/s
To determine
P = ?
Using the formula
The ⋅ in the formula represents a scalar product, defined by:
The angle Ф is zero because F and v are are parallel.
Thus the cosine is 1.
Therefore,
P = (1800) (40.0)
P = 72000 W
Hence, the power of horse is: P = 72000 W