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aliina [53]
3 years ago
10

Can someone help me with the 10th one which is circled

Physics
2 answers:
Savatey [412]3 years ago
7 0
If the bucket has greater mass than the force being put upon it then it is possible the bucket will not change position.
PtichkaEL [24]3 years ago
6 0
Force can be exerted into an object with out it moving, but if you were to move the object due to force it would be considered work. (yes, you can exert force without having the object moving)
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Why it is easier to lift a small stone but harder to lift heavy one on the surface of Earth​
Nesterboy [21]

Answer:

since small stone has less mass so the gravitational pull of the earth is lesser in case of this but this is not for the bigger stone as the gravitational pull of the earth is greater...

PLEASE MARK BRAINLIEST!!!!!

8 0
3 years ago
How can you increase the sensitivity of a Mercury thermometer?​
elena55 [62]

<em>The sensitivity of a mercury thermometer can be increased by using a smaller mercury bulb, thinner wall and smaller bore. A smaller bulb contains less mercury and hence absorbs heat in shorter time. As a result it can response faster to temperature change.</em>

8 0
3 years ago
The burner on an electric stove has a power output of 2.0 kW. A 710 g stainless steel tea kettle is filled with 20∘C water and p
asambeis [7]

Answer:

The volume of water that was in the kettle is  1170 cm^{3}

Explanation:

Given:

Power, P = 2.0 kW = 2000 W, Mass of stainless steel, m_{s} = 710 g = 0.71 kg at temperature of  20^{0} C

Part A:

If it takes time, t = 3.5 minutes to reach boiling point of water 100^{0} C, then from conservation of energy,

Total energy supplied by the burner = Total heat gained by the water and the stainless steel to rise from 20^{0} C to 100^{0} C

i.e. Pt = m_{s}c_{s}(100 - 20 ) + m_{w}c_{w}(100 - 20 )

m_{w} = \frac{pt - 80m_{s} C_{s} }{80c_{w} } = \frac{2000*3.5*60 - 80*0.71* 450}{80*4200}

m_{w} = 1.17 kg

where c_{w} = 4200 J/Kgk (specific heat capacity of water), c_{s} = 450 J/Kgk (specific heat capacity of steel)

But volume of water in the the kettle, v = \frac{mass}{density} = \frac{1.17}{1000}= 1.17 *10^{-3} m^{3}

∴ v = 1170 cm^{3}

4 0
4 years ago
A 2.5m long steel piano wire has a diameter of 0.5cm how great is the tention in the wire if it stretches by 0.45cm when tighten
UkoKoshka [18]

Answer:                 Their u go i found it their was about 3 pages i did not no what pages u had to do.

Explanation:

Download pdf
7 0
3 years ago
Adding a catalyst to a reaction has an effect similar to
mariarad [96]
The answer to your question is B.
8 0
3 years ago
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