Answer:
Newton
Explanation:
Ptolemy usually talked about "Earth-centered," or "geocentric" theory that all celestial objects — including the planets, Sun, Moon, and stars — orbited Earth. Earth, in the center of the universe, did not move at all and obviously this theory has been proven wrong.
Brahe model had all the planets (except Earth) orbiting around the Sun, but then the Sun orbited around the Earth. This is also a wrong concept.
Kepler's Laws are mostly based upon the Planetary Motion and are incomplete is some areas.
Only Newton law best describes the motion of all planets where he says that all motion, whether it was the orbit of the Moon around the Earth or an apple falling from a tree, followed the same basic principles.
Answer:Yes, A body can have constant speed but still accelerate as in case of uniform circular motion. In uniform circular motion speed remains constant and direction of velocity changes with every point in the direction of tangent drawn from that point.
Explaination:
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The acceleration of the race car after 12.0 seconds is -3.33 m/s^2.
To find the acceleration of the race car after 12.0 seconds, we need to use the formula for acceleration: acceleration = change in velocity / time. The initial velocity of the race car is 144 km/h, and it comes to a halt, so the final velocity is 0 km/h. We need to convert these velocities to meters per second (m/s) before using the formula.
Given that 1 km/h = 0.2778 m/s, the initial velocity is 144 km/h x 0.2778 m/s = 40 m/s. Similarly, the final velocity is 0 km/h x 0.2778 m/s = 0 m/s.
Plugging these values into the formula, we get: acceleration = (0 m/s - 40 m/s) / 12.0 s = -3.33 m/s^2.
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Answer:I KNOW THIS ONE!
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Explanation: