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marshall27 [118]
3 years ago
6

PLS HELP QUICK!!!!!!!!

Physics
2 answers:
vazorg [7]3 years ago
5 0
Position 1 I believe because that is when the potential energy is released on the downfall
V125BC [204]3 years ago
3 0
Position 1 seems like the best option
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The law of conservation of mass states that in a chemical reaction matter is not created or destroyed true or false
lisov135 [29]
True it only changes form. Like when water evaporates goes from liquid to a gas and is not destroyed.
4 0
3 years ago
You have been asked to make a roller coaster more exciting. The owners want the speed at the bottom of the first hill doubled. H
qaws [65]

Answer:

The height will be 4 times.

Explanation:

Given that,

The speed at the bottom of the hill doubled.

We need to calculate the height

Using conservation of energy

K.E_{t}+P.E_{t}=K.E_{b}+P.E_{b}

K.E_{b}=P.E_{t}

\dfrac{1}{2}mv^2=mgh

\dfrac{1}{2}m(4v^2)=mgh

Therefore,

P.E = mg(4h)

Here, m and g are constant

Hence, The height will be 4 times.

4 0
3 years ago
WILL GIVE BRAINLIEST
NemiM [27]
Yes! you are :) bc you are FORCING the page to turn, and the broom ti sweep
6 0
3 years ago
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PLEASE HELP!!! 20 PIONTS!!!
timama [110]

Answer:

Transverse waves are always characterized by particle motion being perpendicular to wave motion. A longitudinal wave is a wave in which particles of the medium move in a direction parallel to the direction that the wave moves.

Explanation:

The movement of the medium is different. In the longitudinal wave, the medium moves left to right, while in thee transverse wave, the medium moves vertically up and down. Longitudinal waves have a compression and rarefaction, while the transverse wave has a crest and a trough. Longitudinal waves have a pressure variation, transverse waves don't have pressure variation. Longitudinal waves can be propagated in solids, liquids and gases, transverse waves can only be propagated in solids and on the surfaces of liquids. Longitudinal waves have a change in density throughout the medium, transverse waves don't.

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3 years ago
What is a homogeneous mixture in which particles never separate?
leonid [27]

Answer:

is sugar and water becouse sugar can solote the water

8 0
3 years ago
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