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ElenaW [278]
3 years ago
5

A box is 300 kg & it covers the area of 150 m2 find the pressure exerted by the box in the ground.​

Physics
1 answer:
fiasKO [112]3 years ago
7 0

Answer:

If we assume that the box is a cube with 150 m² surface area

Area of 1 face = 150 m² / 6 = 25 m²

The box will exert a downward force of

Force = mass * acceleration due to gravity

Force = 300 kg * 9.81 m/s² N

Force = 2943 N

The box exerts a pressure ( force / unit area) = 2943 N / 25 m²

Pressure = 117.7 N/m²

Thank you, if you found this helpful please comment.

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Answer:

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three condensers are connected in series across a 150 volt supply. The voltages across them are 40,50 and 60 volts respectively,
ioda

Explanation:

Given that,

The voltages across them are 40,50 and 60 volts respectively, and the charge on each condenser is 6×10⁻⁸ C.

(a) Capacitance of capacitor 1,

C_1=\dfrac{Q}{V_1}\\\\C_1=\dfrac{6\times 10^{-8}}{40}\\\\C_1=1.5\times 10^{-9}\ F\\\\C_1=1.5\ nF

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(b) The equivalent capacitance in series combination is :

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Hence, this is the required solution.

5 0
3 years ago
Which objects would sink in honey, which has a density of 1.4 g/cm³? Check all that apply.
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Answer:

any object that has density more than 1.4

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