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babunello [35]
3 years ago
12

In which ancient civilization did the sport of cucj originate

Physics
1 answer:
Burka [1]3 years ago
3 0
It originated in China.
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PLEASE ANSWER QUICK!! A student pushes a wagon full of bricks with a constant force across the ground. Which of
givi [52]

Answer:

A

Explanation:

If you do B, the wagon slows down due to friction

If you do C, it would slow down the wagon by half

If you do D, it would slow it down, due to there being more weight but same force.

5 0
3 years ago
A pet-store supply truck moves at 25.0 m/s north along a highway. inside, a dog moves at 1.75 m/s at an angle of 35.0° east of
koban [17]

<u>Answer:</u>

 Velocity of the dog relative to the road = 26.04 m/s 3.15⁰ north of east.

<u>Explanation:</u>

  Let the east point towards positive X-axis and north point towards positive Y-axis.

  Speed of truck = 25 m/s north = 25 j m/s

  Speed of dog = 1.75 m/s at an angle of 35.0° east of north = (1.75 cos 35 i + 1.75 sin 35 j)m/s

                          = (1.43 i + 1.00 j) m/s

    Velocity of the dog relative to the road = 25 j + 1.43 i + 1.00 j = 1.43 i + 26.00 j

    Magnitude of velocity = 26.04 m/s

    Angle from positive horizontal axis = 86.85⁰

 So Velocity of the dog relative to the road = 26.04 m/s 86.85⁰ east of north = 26.04 m/s 3.15⁰ north of east.

4 0
3 years ago
there are 1.6 km in a mile. the distance between two cities is 248 miles. How many kilometers apart are the two cities?
podryga [215]
1.6 X 248=399.117
hope this helps

3 0
3 years ago
Describe the agronomic significance of the upper and lower plastic limits, and of the plasticity index?​
GarryVolchara [31]

Answer:It shows the size of the range of the moisture contents at which the soil remains plastic. In general, the plasticity index depends only on the amount of clay present. It indicates the fineness of the soil and its capacity to change shape without altering its volume.

4 0
3 years ago
What happens when a person’s immune system is very weak?
Alexeev081 [22]
The correct answer is C) becuse without certain medicine they will dieeeee
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