Physical Science

1. Which quantity is scalar?
momentum
energy***
force
velocity

2. Which option describes a vector quantity?(1 point)
It has magnitude, units, and direction.***
It has magnitude, but no units or direction.
It has no magnitude, units, or direction.
It has magnitude and units, but no direction.

3. A sailboat ends up 7 miles to the west of a pier. Which statement is true about this situation?(1 point)
It describes distance, which is a scalar quantity.
It describes distance, which is a vector quantity.
It describes displacement, which is a vector quantity.***
It describes displacement, which is a scalar quantity.

4. Which statement is true regarding a distance vs. time graph?(1 point)

The graph can include only straight line segments.
The graph should show distance on the vertical axis.
The graph must have a horizontal segment.
The graph needs to start at the origin.***

5. On a distance vs. time graph for an object, a line segment that is sloping upward indicates(1 point)
motion in the negative direction.
that the object is accelerating.***
motion in the positive direction.
that the object is speeding up.

I'm struggle, can someone check my answers?

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  1. 1. yes
    2. yes
    3. yes
    4. Who says you are at zero x at t = 0? I would have picked time on x axis and distance on y axis.
    5. If speed is constant, then distance increases with time. The slope is the constant speed. The one I would pick is motion in the positive direction but that means you are graphing velocity, not speed. If the SLOPE increases, then that is acceleration

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  2. All of them are right except 4 and 5. 4 is "The graph should show distance on the vertical axis"
    5 is "motion in the positive direction"

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  3. Thanks "homie" I can't afford another bad grade and I hope you have a good day. :)

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  4. What are you saying yes to

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  5. Homies answers are 100% correct as of 0ct 2021

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  6. #4 is The graph should show distance on the vertical axis.
    #5 is motion in the positive direction.

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  7. 1. Energy
    2. It has magnitude, units, and direction
    3.it describes displacement which is a vector quantity
    4.the graph should show distance on the vertical axis
    5.motion in the positive direction
    100℅

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  8. Hollow is right. November 2021

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  9. yes

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  10. thx my dude Hollow's answrs r right aaaaand now im guna head to webtoon later guys ;)

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  11. Hollow is right 100%

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  12. I just used hollows answers and got a 100%. Please use hollows answers if you are in connexus

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  13. Hollow is correct.
    indeed

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  14. Yay Hollow is 100% correct

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  15. yep hes still right

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  16. Hollow is still correct all the way into 2022!

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  17. @Im definately asian
    DID YOU JUST ASSUME THEIR GENDER-

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