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STatiana [176]
3 years ago
12

No force is necessary to

Physics
1 answer:
igor_vitrenko [27]3 years ago
4 0
No force is necessary to keep a moving object moving (in a straight line at a constant speed).
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A car travels at a constant velocity of 70 mph for one hour. At the second hour, the car’s velocity was 60 mph. At the third hou
katovenus [111]

When the velocity increases, then the acceleration will be positive and when the velocity decrease then the acceleration will be negative.

During the first hour, the velocity was 70 mph and during the seconds hour the velocity was 60 mph. Hence, the velocity decrease in the seconds hour. So, the acceleration will be negative during the second hour.

Now, during the third hour the velocity increases as it is 80 mph. Hence, the acceleration will be positive during the third hour.


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Urgent! please help!
kap26 [50]

_{94}^{239}Pu+ _{0}^{1}n--->_{40}^{100}Zr+_{x}^{y}Element+2_{0}^{1}n\\ \\ 94+0=40+x+0, x= 54,\\ \\ 239+1 = 100+y+2*1, y=138\\ \\_{54}^{138}Element= _{54}^{138}Xe

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Lactic acid is caused by using atp without oxygen being avaliable
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Nikitich [7]

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Protons and Neutrons are found in the nucleus and the electrons are found on the outside of the nucleus

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