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Physics, 22.06.2019 14:40
Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion
Answers: 2
Physics, 23.06.2019 06:20
Which statements best describe energy? check all that apply. the total amount of energy in the universe remains constant. the total amount of energy in the universe changes constantly. energy cannot be converted from one form to another. energy can be converted from one form to another. energy cannot be created or destroyed. energy can be created or destroyed.
Answers: 1
Physics, 23.06.2019 09:00
Which statements best describe medical uses for radioactive isotopes? check all that apply. radioactive isotopes are used to detect medical problems. high-energy gamma rays are injected into the body. radioactive isotopes are used to treat some diseases. radiation is used to kill cancer cells. radioactive isotopes are directed at tumors from outside the body.
Answers: 1
Physics, 23.06.2019 13:00
During a collision, a bus runs into a skateboarder inelastically. if the mass of the skateboarders is 70 kg and is moving at 12 m/s to the right, what is the final velocity of the skateboarder if the 2000 kg bus is traveling at 25 m/s to the left before the collision?
Answers: 1
Mathematics, 24.11.2020 21:10
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Mathematics, 24.11.2020 21:10
Mathematics, 24.11.2020 21:10
Mathematics, 24.11.2020 21:10
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Geography, 24.11.2020 21:10
Geography, 24.11.2020 21:10