The sun keeps all of the planets orbiting it because
a)the law of universal gravitation state...
Physics, 01.10.2019 14:30 ammyraammirez24
The sun keeps all of the planets orbiting it because
a)the law of universal gravitation states that an increase in mass causes an increase in gravitational force
b)the law of ellipses states that the planets orbit the sun in circular patterns
c) the law of harmonies states that the motion of the planets will not stop unless an outside force is applied
d) the law of equal areas states that planets sweep equal areas in equal periods of time around the sun
Answers: 2
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A10.0 kg cart and a 15kg cart are locked together with a compressed spring between them. they are then released so that the spring pushes the two carts apart. the 10.0 kg cart is moving at 4.5 m/s afterward. how fast is the 15kg cart moving? 3.0 m/s 2.0 m/s 4.5 m/s 5.0 m/s
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According to newton’s first law of motion, which force is expected to cause a body to accelerate?
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Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?
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