Simplify six to the -3rd power over six to the fifth power
1 answer:
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Answer:
The speed of George the Pigeon in still air = 21 miles/hr
The speed of air = 3 miles/hr
Step-by-step explanation:
Let the speed of George the Pigeon in still air = miles/hr
Let the speed of air = miles/hr
Distance traveled = 72 miles
Relative speed against the wind = miles/hr
Time taken against the wind = 4 hours
Relative speed with the wind = miles/hr
Time taken against the wind = 3 hours
Using the formula:
Adding (1) and (2):
By equation (1):
Therefore, the answer is:
The speed of George the Pigeon in still air = 21 miles/hr
The speed of air = 3 miles/hr
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- A body of mass 10kg at rest is subjected force of 16N. Find the kinetic energy at end of 20s.
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<em>Firstly</em>, find the acceleration:
<em>Secondly,</em> the velocity after 20 seconds will be:
<em>Lastly</em>, find the kinetic energy:
Hence, the kinetic energy at the end is 5,120 Joules.
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