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3 years ago

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According to Aristotle, how fast do heavy objects fall compared to light objects?

1 answer:

Studentka2010 [4]3 years ago

4 0

Answer:

Hey

Your answer would be D (Aristotle stated that heavy objects fall faster than light objects). He thought be comparing a feather falling to a rock falling that you could see that heavier objects fall faster than light ones. of course now we know that all objects fall at the same speed and that weight does not affect that. only air drag affects how fast objects fall.

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Regular exercise often leads to an improved body image.

arlik [135]

Answer:

True, Regular exercise often leads to an improved body image explained below in details.

Explanation:

Using a pedometer can develop a physically energetic lifestyle. Consistent exercise often drives to an enhanced body image.

advantages of regular physical exercise

decrease your risk of a heart attack.
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3 years ago

g A small car travels up the hill with a speed of v = 0.2 s (m/s) where s is the distance measured from point A in meters. Deter

jasenka [17]

Answer:

The magnitude of the acceleration of the car when $s = 50\,m$ is $2\,\frac{m}{s^{2}}$ .

Explanation:

The acceleration can be obtained by using the following differential equation:

$a = v \cdot \frac{dv}{ds}$

Where $a$ , $v$ and $s$ are the acceleration, speed and distance masured in meters per square second, meters per second and meters, respectively.

Given that $v = 0.2\cdot s$ , its first derivative is:

$\frac{dv}{ds} = 0.2$

The following expression is obtained by replacing each term:

$a = 0.2\cdot 0.2\cdot s$

$a = 0.04\cdot s$

The magnitude of the acceleration of the car when $s = 50\,m$ is:

$a = 0.04\cdot (50\,m)$

$a = 2\,\frac{m}{s^{2}}$

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Answer:

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