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kumpel [21]
2 years ago
6

The 0.5kg soccer ball moves toward the net with a force of 4N. What is its acceleration?​

Physics
1 answer:
Eduardwww [97]2 years ago
6 0

Answer:

8 m/s²

Explanation:

Given,

Force ( F ) = 4 N

Mass ( m ) = 0.5 kg

To find : -

Acceleration ( a ) = ?

Formula : -

F = ma

a = F / m

= 4 / 0.5

= 40 / 5

a = 8 m/s²

It's acceleration is 8 m/s².

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#Case -1

If Pulling force is less than frictional force the object won't move .

#Case-2

If Pulling force is greater than frictional force then object will be .

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\\ \sf\longmapsto F_L=\mu sN

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Or

\\ \sf\longmapsto F_L=\mu smg

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2 years ago
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The nutritional calorie (Calorie) is equivalent to 1 kcal. One pound of body fat is equivalent to about 4.1 x 103 Calories. If a
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Answer:

t = 70.13 hours

Explanation:

As we know that 1 lb fat can be used to expend 4.1 k Calorie of energy

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now we know that time to burn this energy is given as

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t = \frac{30996}{0.44 \times 10^3}

t = 70.13 hours

5 0
3 years ago
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Harlamova29_29 [7]
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