What is the climate of northern Alaska?
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The force needed to keep the space shuttle moving at constant speed is 0.
The given parameters;
- <em>weight of the space shuttle, F = 750,000 N</em>
- <em>constant speed of the space shuttle, v = 28,000 km/h</em>
The mass of the space shuttle is calculated as follows;
The force needed to keep the space shuttle moving at constant speed is calculated as follows;
where;
a is the acceleration of the space shuttle
At a constant speed, acceleration is zero.
F = 76,530.61 x 0
F = 0
Thus, the force needed to keep the space shuttle moving at constant speed is 0.
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Answer:
The block's mass should be
Explanation:
Given:
Cart with mass
From the conservation of energy before mass is added,
Where amplitude of spring mass system,
spring constant
Now new mass is added to the system,
Here, given in question frequency is reduced to half so we can write,
Where frequency of system before mass is added,
frequency of system after mass is added.
Therefore, the block's mass should be