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vova2212 [387]
3 years ago
6

A substance has a melting point of 800ºC and a boiling point of 1465ºC. The substance is most likely

Physics
1 answer:
VladimirAG [237]3 years ago
8 0
It is most likely table salt.
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What is the mass of a ball that has 29j of potential energy and is lifted 2.0m?​
Salsk061 [2.6K]

Answer:

1.48kg

Explanation:

Here,

potential energy (P.E) = 29j

height (h) = 2m

acceleration due to gravity(g) =

9.8m {s}^{ - 2}

mass(m) = ?

we know,

P.E = mgh

or, 29 = m×9.8×2

or, 29/19.6 = m

or,m = 1.48kg

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1 year ago
Pleaseeeeeee answer :3!
Ludmilka [50]

Work = (force) x (distance)

Work = (21 Newtons) x (9 meters) = 189 Joules

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3 years ago
About 80 percent of earth volume is made up of what?
kolbaska11 [484]
About 80% of the earth's volume is made of mantle.


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Hope this helped.
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3 years ago
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zheka24 [161]

The answswer would be d because there is a battery, and a metal clip to conduct electricity.

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3 years ago
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A vw bug is driving north on a striaght two lane road at a constant 38mph and a chevy impala is driving south at 29mph on the sa
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