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Viefleur [7K]
3 years ago
6

1. The maximum running speed (S) in km/hr and the corresponding body mass (m) in kg were

Physics
1 answer:
Ede4ka [16]3 years ago
4 0

Answer:

(a) [km/hr/kg]

(b) S[m/s] = (5.7 / 3600) (m[g])

Explanation:

(a) S[km/hr] = 5.7 (m[kg])

Solving for 5.7:

5.7 = S[km/hr] / (m[kg])

5.7 = S/m [km/hr/kg]

(b) S[km/hr] = 5.7 (m[kg])

Convert km/hr to m/s.

S[m/s] = S[km/hr] × [1000 m/km] × [1 hr / 3600 s]

S[m/s] = S[km/hr] / 3.6

3.6 S[m/s] = S[km/hr]

Convert kg to g.

m[g] = m[kg] × [1000 g/kg]

m[g] = 1000 m[kg]

m[g] / 1000 = m[kg]

Substitute.

3.6 S[m/s] = 5.7 (m[g] / 1000)

S[m/s] = (5.7 / 3600) (m[g])

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Answer:

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Explanation:

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3 years ago
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If a substance has a density of 2.7g/cm3 and a mass of 86.4g, what is its volume?
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Answer:

32cm³

Explanation:

Given parameters:

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Unknown:

Volume of substance  = ?

Solution:

Density is the mass per unit volume of a substance.

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