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KATRIN_1 [288]
3 years ago
7

Help!!!middle school physics ​also please explain :)

Physics
1 answer:
Dmitriy789 [7]3 years ago
8 0

Answer:

hope its helps

good luck

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An airplane accelerates from rest down a runway at 3.20 m/s2 for 32.8 seconds until it lifts off the ground. Determine the dista
vagabundo [1.1K]

Answer:

s=1721.344m  ,v=104.96m/s.

Explanation:

using thr equation of motion;

s=ut+\frac{1}{2}at^{2}

u=0, plane starts from rest,

s=\frac{1}{2}at^{2}

a=3.2m/s^{2}, t=32.8s \\ s=\frac{1}{2}*3.2*32.8^{2}

s=1721.344m

v=u+at

v=0 +3.2*32.8

v=104.96m/s

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3 years ago
HlEELPPI NEED ANSWER 
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THE ANSWER IS C ;) !





















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4 years ago
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Which pair of graphs represent the same motion of an object
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To be able to identify that the object is in the same motion, we should find the graphs that has an increasing slope of displacement and with the constant velocity with varying time. Graphs on letter D satisfies these requirements.

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4 years ago
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Nose bleeding occurs as we move towards high altitude, why?
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Nosebleeds can be caused by being up in a very high altitude. As you climb higher, the amount of oxygen in the air decreases. This makes the air thinner and dryer, which can in turn cause the inside of your nose to crack and bleed.F
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A man of mass 80.0 kg stands on a platform of mass 40.0 kg. He pulls on a rope that is fastened to the platform and runs over a
Vesnalui [34]

Answer:F=648 N

Explanation:

Given

mass of man m_1=80 kg

mass of Platform m_2=40 kg

acceleration of system a=1 m/s^2

Let F be the force with which man pulls the rope which will also create a tension of F in rope

From Diagram

2F-(m_1+m_2)g=(m_1+m_2)a

2F=(m_1+m_2)(g+a)

F=\frac{(m_1+m_2)(g+a)}{2}

F=\frac{(80+40)(9.8+1)}{2}

F=\frac{1296}{2}

F=648 N

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4 years ago
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