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Aleonysh [2.5K]
3 years ago
14

If the force on an object is negative, what is known about the change in velocity?

Physics
1 answer:
hoa [83]3 years ago
7 0
A. The velocity will decrease.
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A living thing that feeds on Another living thing and may kill it eventually is called
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(D) parasite........................

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If a 1-megaton nuclear weapon is exploded
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Answer:

1,780,000 N

Explanation:

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Force = pressure × area

F = 20,260 Pa × (3.89 m × 22.6 m)

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You are walking in Paris alongside the Eiffel Tower and suddenly a croissant falls on your head and knocks you to the ground. If
Alexxandr [17]

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7,79 seconds

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{\displaystyle {\overline {a}}={\frac {\Delta v}{t}}}

You need to use the acceleration formula. A is acceliration, \displaystyle \Delta \mathbf {v} is change in velocity and t is time.

You  need to multiply the formula with t and divide by a and you get

a*t=\displaystyle \Delta \mathbf {v}

t= \displaystyle \Delta \mathbf {v}/a

after that you just need to insert the numbers

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acceliration is gravitational acceleration which is 9.81.

After that you get

t=76.4/9.81

t= 7,787971458 s

6 0
3 years ago
Read 2 more answers
A net force of 24 N is acting on a 4.0-kg object. Find the acceleration in m/s2.
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Hi there!

We can use Newton's Second Law:
\Sigma F = ma

ΣF = Net force (N)
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a = acceleration (m/s²)

We can rearrange the equation to solve for the acceleration.

a = \frac{\Sigma F}{m}\\\\a = \frac{24}{4} = \boxed{6 \frac{m}{s^2}}

6 0
2 years ago
A girl attempts to drink a large glass of water without stopping. when she finishes, she gasps for air as she was unable to brea
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The behaviour that has just been displayed by the girl is an example of a learned behavior.

<h3>What is learned behaviour?</h3>

The term learned behaviour has to do with those behaviour that the individual acquires by practise and are not innate in the organism. The ability to drink a large amount of water without breathing is not inate in man.

Hence, the behaviour that has just been displayed by the girl is an example of a learned behavior.

Learn more about learned behavior:brainly.com/question/347230

#SPJ4

4 0
2 years ago
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