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4 years ago

12

what do you call the curved, upper surface of water that commonly appears when using a graduated cylinder? Describe what causes

this.

1 answer:

zloy xaker [14]4 years ago

7 0

Meniscus, I believe? not sure why it forms though, sorry

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A large, massive object collides with a stationary, smaller object on an ice rink. If the large object transfers all of its mome

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Answer:

a ut will move faster than the large object was moving initially

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3 years ago

As the Moon revolves around the Earth, it also rotates on its axis. Why is it that the same side of the Moon is always visible f

dexar [7]

Answer: The speed of the moon's rotation keeps the same side always facing Earth.

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3 years ago

Read 2 more answers

015 10.0 points

Salsk061 [2.6K]

Answer:

20.996 m

Explanation:

Given:

Initial velocity, $u=0 \textrm{ m/s}$

Final velocity, $v=12.4062 \textrm{ m/s}$

Total time taken, $t_{Total} = 7.13$ s.

∴ Acceleration is given as,

$a=\frac{v-u}{t_{Total}}=\frac{12.4062-0}{7.13}=1.74$ m/s²

Now, using Newton's equation of motion, we find the displacement.

Displacement is given as:

$s=ut+\frac{1}{2} at^{2}$

Plug in 0 for $u$ , 4.91257 for $t$ and 1.74 for $a$ . Solve for $s$ .

This gives,

$s=0+\frac{1}{2} \times 1.74 \times (4.91257)^{2}=20.996 \textrm{ m}$

Therefore, the train's displacement in the first 4.91257 s of motion is 20.996 m.

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3 years ago

Do electric fields point towards or away from positive charges?

juin [17]

Answer:

it points towards positive charges

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3 years ago

Name 2 things centripetal force acts on.

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The centripetal force acts upon an object moving in a circle at constant speed. The centripetal force acts perpendicular to the direction of motion , the speed of object will remain constant.

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3 years ago