Answer:
A ✓5 is the irrational number.
Step-by-step explanation:
Have a good day. :)
Step-by-step explanation:
Divide 24 by 4. So, 18 hours. Therefore a light bulb consumes 6840 Watt hours in 4 days and 18 hours.
Step-by-step explanation:
1.
(chain rule)
2 

Answer:
b)
Step-by-step explanation:
Answer:
The power of horse is: P = 72000 W
Step-by-step explanation:
Given
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