The astronomical object known as Crab Nebula is thhe remnant of an exploded star. The explosion was seen by the Chinese in 1054
C.E. However, the Crab Nebula is about 3500 LY distance from the Earth In what year did the star actually explode.
2 answers:
The star, Crab Nebula, actually explode in the year 1054.
<h3>Further explanation </h3>The Crab Nebula is the scattered fragments of a supernova, or exploding star, observed by earthly skywatchers in the year 1054. The Crab Nebula is about 6,500 light years from Earth.
The astronomical object known as Crab Nebula is the remnant of an exploded star. The explosion was seen by the Chinese in 1054 C.E. However, the Crab Nebula is about 3500 LY distance from the Earth.
The Crab Nebula is one of the most studied remains of a stellar explosion. The Crab Nebula is widely accepted to be due to a supernova seen in the year 1054 a.d. by Chinese, Japanese, Korean, and Arab astronomers who reported sighting a new bright star in the heavens. The current name "The Crab Nebula" is due to William Parsons, 3rd Earl of Rosse, who observed the object in 1840 using a 36-inch telescope and produced a drawing that looked somewhat like a crab.
<h3>Learn more </h3>- Learn more about Crab Nebula brainly.com/question/11268956
- Learn more about the Chinese brainly.com/question/3913188
- Learn more about The astronomical object brainly.com/question/7725232
<h3>Answer details</h3>
Grade: 9
Subject: physics
Chapter: The astronomical object
Keywords: Crab Nebula, the Chinese, distance, Earth, The astronomical object
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Answer:
The new speed of the ball is 176.43 m/s
Explanation:
Given;
mass of the ball, m = 7 kg
initial speed of the ball, u = 5 m/s
applied force, F = 300 N
time of force action on the ball, t = 4 s
Apply Newton's second law of motion;
where;
v is new speed of the ball
Therefore, the new speed of the ball is 176.43 m/s