4 years ago

The force is proportional to what measurement

Physics

1 answer:

liberstina [14]4 years ago

5 0

The extension (in metres), if looking at Hooke's law

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When designing an experiment a benefit of larger sample sizes would be more representative data. This larger sample size would lead to perfect result. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer comes to your help.

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Football player 1 has a mass of 80 kg and a velocity of 2 m/s east while player 2 has a mass of 70 kg and a velocity of 3 m/s we

sukhopar [10]

The total momentum of the system is equal to 50 Kgm/s.

Given the following data:

Mass 1 = 80 kg

Velocity 1 = 2 m/s east.

Mass 2 = 70 kg

Velocity 2 = 3 m/s west.

To determine the total momentum of the system:

Mathematically, momentum is given by the formula;

$Momentum = mass \times velocity$

For Football player 1:

$Momentum = 80 \times 2$

Momentum 1 = 160 Kgm/s.

For Football player 2:

$Momentum = 70 \times 3$

Momentum 1 = 210 Kgm/s.

Now, we can calculate the total momentum of the system:

$Total\;momentum = momentum \;2 - momentum \;1\\\\Total\;momentum = 210-160$

Total momentum = 50 Kgm/s.

Note: We subtracted because the football players were moving in opposite directions.

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3 years ago

Why are liquids used in a hydraulic system

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Liquids are used in a hydraulic system because unlike gases, liquids CAN NOT BE compressed therefore making them the ideal substance for the hydraulic system.

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If you've ever touched a traditional-style lightbulb, you probably noticed that they can get very hot. Does this mean the wires

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It means they have very high resistance.

High resistance means the power cannot fully pass through the wire. Some of the power is lost in the form of light, heat, etc.

Low resistance means the current fully passes through. The wire would then stay cold and nice.

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A missile is fired from a jet flying horizontally at Mach 1 (1100 ft/s). The missile has a horizontal acceleration of 1000 ft/s

gayaneshka [121]

V = u + a*t = 1100ft/s + (1000*10) ft/s = 11100 ft/s
Answer is 11,100 ft/s

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