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Schach [20]
3 years ago
11

If you drive 125 km in 2 hours, what is your average speed

Physics
2 answers:
erma4kov [3.2K]3 years ago
7 0
Try Socratic it helped me with this type of question
sweet-ann [11.9K]3 years ago
6 0

Formula: s = d/t

s = speed

d = distance

t = time

Solve using the values we were given.

s = 125/2

S = 62.5km per hour

Best of Luck!

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Answer:

a)V= 0.0827 m³

b)P=181.11 x 10²  N/m²

Explanation:

Given that

m = 81.5 kg

Density ,ρ = 985 kg/m³

As we know that

Mass = Volume x Density

81.5 = V x 985

V= 0.0827 m³

The force exerted by weight = m g

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Area ,A= 4.5 x 10⁻² m²

The Pressure P

P=\dfrac{F}{A}

P = \dfrac{815}{4.5\times 10^{-2}}\ N/m^2

P=181.11 x 10²  N/m²

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