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densk [106]
3 years ago
12

Why would an object float in water, but sink in rubbing alcohol?

Physics
1 answer:
Romashka [77]3 years ago
6 0

Because water is more dense than the object but rubbing alcohol is less dense than the object

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Semmy [17]
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3 years ago
An object accelerating at 16 m/s/s doubles its mass and triples its net force acting on it. What will the new acceleration be? (
nataly862011 [7]

Answer:

24 m/s²

Explanation:

The given parameters are;

The initial acceleration of the object, a = 16 m/s²

Let 'm' represent the initial mass of the object

The initial force acting on the object, F = m × a

∴ F = 16 × m = 16·m

When the mass is doubled, we have;

The new mass of the object, m₂ = 2 × m = 2·m

When the net force acting on the object triples, we have;

The new net force acting on the object, F₂ = 3 × F = 3 × 16·m = 48·m

From F = m × a, we have;

a = F/m

∴ The new acceleration of the object, a₂ = F₂/m₂

From which, by plugging in the values, we have;

a₂ = 48·m/(2·m) = 24

The new acceleration of the object, a₂ = 24 m/s².

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3 years ago
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Alekssandra [29.7K]

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What is the range of a ball thrown horizontally at 12 m/s if its time of flight is 3.0 s?
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An object accelerates to a velocity of 230 m/s over a time of 2.5 s. The acceleration it experienced was 42 m/s2. What was its i
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Answer:

230 = x + 105

x= 125

Explanation:

v = v0 + at

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