Answer:
The astronaut will get a velocity 0.064ms−1 opposite to the direction of the object.
Answer:
Removing some of the books reduced the mass of the box, and less force was needed to push it across the floor.
Center.........................
The longitude based on the time difference is 15 degrees.
<h3>Longitude of complete rotation of the Earth</h3>
The longitude of a complete rotation of the earth in a 24 hours is calculated as follows;

<h3>Time difference</h3>
The time difference between the local apparent solar time and the Greenwich time is calculated as follows;

Since it is one hour time difference, the longitude is 15 degrees.
Learn more about Earth longitude here: brainly.com/question/1939015