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Physics, 22.06.2019 01:00
An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75
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Physics, 22.06.2019 09:00
Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic
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Physics, 22.06.2019 12:50
Which changes would result in a decrease in the gravitational force btween two objects? check all that apply
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Physics, 22.06.2019 16:30
Select all the correct answers. which three statements about electromagnetic radiation are true?
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trong 2 phút vật nặng của con lắc lò xo thực hiện được 40 dao động toàn phần với biên độ là 6 cm. lấ...
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