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evablogger [386]
3 years ago
8

Which type of simple machine is a ramp? a wedge a pulley and inclined plane a lever

Physics
1 answer:
mario62 [17]3 years ago
6 0
A ramp is a smooth incline that allows an object to be lifted without being lifted directly up. therefore, an inclined plane is the correct answer.
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A ball of mass 0.2 kg is dropped from a height of 10 m. How much mechanical energy does it have right before it hits the ground?
Bad White [126]
0.2 kg * 9.81 m/s^2* 10= 19.62 or B
7 0
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What relation does the boiling point of an amine have to a similar hydrocarbon?
den301095 [7]

Answer:

Amine have higher boiling points than hydrocarbons.

Explanation:

Primary, secondary and tertiary amines have higher boiling points than hydrocarbons because they can engage in intermolecular hydrogen bonding.

Amines has three classes

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3. Tertiary amines

All this classes of amines have higher boiling point than hydrocarbons due to C-N bond in them

This is because amines can engage in hydrogen bonding with water, amines of low molar mass are quite soluble in water.

Amines are having higher boiling points than hydrocarbons, as C-N bond in amines is more polar than a C-C bond in hydrocarbons. Due to the polar nature of amines, it forms intermolecular H-bonds and exists as associated molecules.

5 0
4 years ago
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It takes brooke 10minutes to run 1 mile what is her speed in miles per minutes
hjlf

If you divide miles by minutes, the answer will have units of
miles per minute, which is exactly what you want.

(1 mile) / (10 minutes) = 1/10  mile/minute = 0.1 mile per minute


6 0
4 years ago
Which of the following statements is untrue in regard to sound traveling in air?
maksim [4K]
Air never stops? IDK

7 0
3 years ago
the resistance of a wire of length 80cm and of uniform area of cross-section 0.025cmsq., is found to be 1.50 ohm. Calculate spec
vivado [14]
Specific\ resistance\ =resistivity\\
From\ formula\ on \ resistance:\ R= \frac{pL}{A}\ p-resistivity,\ L-length,\\ A-area\ of\ cross\ section\\
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3 0
3 years ago
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