ΑΣ Sign A. keeping everything grounded on Earth. C. planes not being able to fly into space. B. making tall skyscrapers safe, D.
showing us the stars on a dark night. 2. The Earth's gravity is very important to our lives, but so is the gravity of the sun and the moon. The moon's gravity pulls on the ocean and makes the tides rise and fall . The sun's gravity pulls on the Earth and makes sure our planet doesn't go flying out into space. The sun's gravity keeps all the planets spinning around it, and the Earth's gravity keeps the moon close by. Which of the following best describes how the moon and Earth affect one another? A. The moon's gravity keeps Earth in place, B. The moon's gravity keeps the Earth close and the Earth's gravity affects the tides on by, and the Earth's gravity changes the the moon. moon's orbit. C. The moon's gravity creates tides on Earth, D. The moon's gravity creates earthquakes, and the Earth's gravity keeps the moon in and the Earth's gravity creates place. moonquakes. Vom miatt not be able to dun zahaczatball on Earth but vaunrabably could on the mean Why? There is
2 answers:
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Answer:
Work done to pull the piano upwards is 401250 J
Explanation:
Work is done against the gravity to pull the piano upwards
So here we can say that work done is
here we know that
also we know that
H = 75 m
now we have
Answer:
5 m/s2
Explanation:
The total acceleration of the circular motion is made of 2 components: centripetal acceleration and linear acceleration of 4 m/s2. They are perpendicular to each other.
The centripetal acceleration is the ratio of instant velocity squared and the radius of the circle
So the magnitude of the total acceleration is