Physics, 21.11.2020 03:30 JASMINEM6284
23 POINTS
Sally and Ann are trying to move a box across the floor. Sally is pushing the box to the right with a force of 100N and Ann is pulling the box with a force of 50N to the right. What is the magnitude and direction of the box?
50N to the left
150N to the right
50N to the right
The box is balanced and will not move
Answers: 1
Physics, 23.06.2019 03:50
For most stars, what does a higher temperature tend to to with? a lower luminosity a higher luminositya red color none of the above
Answers: 1
Physics, 23.06.2019 03:50
Acar driving 22.7 m/s on flat ground drives off a 42.3 m high cliff. how much time does it take to reach the ground?
Answers: 1
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While preforming an experiment involving a reaction between two chemicals the scientist observes that the reaction container has become warm the observation is an example of
Answers: 1
Physics, 23.06.2019 10:40
4.at 0 ºc, some amount of energy is required to change 1 kg of water from a solid into a liquid. if you had a 2 kg piece of ice, what effect would this have on the amount of thermal energy required to change the water from a solid to a liquid? it would require more energy to change solid water into liquid water because there are more molecules in this larger piece of ice. it would still require the same amount of energy to change solid water into liquid water because the entire piece of ice would still gain the same amount of energy in each case. it would require energy to be removed from the 2 kg piece of ice. the larger piece of ice already has more total energy than the smaller piece of ice, so energy must be removed for the ice to become liquid. it would require less energy to change solid water into liquid water because the energy would spread through the ice more quickly and the ice already has a larger total amount of energy because it is larger than a 1 kg piece of ice.
Answers: 1
23 POINTS
Sally and Ann are trying to move a box across the floor. Sally is pushing the box to the...
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