which planet detection method would work best for a massive planet that's close to its host star but doesn't pass between us and
1 answer:
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Answer:
- Corey's max speed is
- the distance Corey's covers in z seconds is
Explanation:
<h3>Corey's max speed</h3>For constant speed, we know:
The distance between the 80 meters and the 45 meters is:
and the time it took to reach the 80 meter will be:
So, Corey's max speed is
As the velocity of Corey's is , the distance Corey's covers in z seconds is
At time 7 + z seconds the distance will be the 45 meters he covers in the first part of the race plus the distance he traveled at constant speed. this is:
At time x ( x greater or equal to 7 seconds) the distance will be the 45 meters he covers in the first part of the race plus the distance he traveled at constant speed. this is:
Answer:
9 cm.
Explanation:
The energy used for stretch the spring from to
will be ,
The energy used for stretch the spring from to
will be ,
using the energy of spring formula ,we find that
Dividing both the equation will get,
Therefore, the natural length of the spring is, 9 cm.