The work done to lift a 10kg object to a height of 1m above the ground is
1 answer:
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Answer:
Explanation:
Given that
the ball travelled in positive direction x1 = 20 cm
the ball comes to stop at a distance = x2 = 6 cm
the distance travelled in -ve direction
x3 = x1 - x2 = 20- 6 = 14 cm
total distance co=vered by the given ball
x = x1 +x3 = 20+14 = 34 cm
x = 34 cm
Answer:
Estimation: year 1110.
Explanation:
We need to know how much time it takes to move 100 arcseconds if it moves at 0.11 arcsecond per year. Similarly to any velocity equation , where in our case the distances are angular, we will obtain the time by doing:
Which, considering from 2019, the explosion ought to have been observed around 1110 (in reality it was observed by Chinese astronomers in 1054).