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4 years ago

5. How much does a suitcase weigh if it has a mass of 22.5 kg?

Physics

2 answers:

irga5000 [103]4 years ago

5 0

Answer:

Weight of the suitcase, W = 220.5 N

Explanation:

It is given that,

Mass of the suitcase, m = 22.5 kg

Let W is the weight of the suitcase. The weight of an object is equal to the force acting on it due to the gravity. It is given by the product of mass and acceleration due to gravity.Mathematically, it is given by :

W = mg

$W=22.5\times 9.8$

W = 220.5 N

So, the weight of the suitcase is 220.5 N. Hence, this is the required solution.

Aloiza [94]4 years ago

4 0

27 pounds might be the answer cause 5.4 is 9 pound wick is an average size of an suite case

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A kid on a playground swing makes a complete to-and-fro swing each 2 seconds.

sashaice [31]

Answer:

The frequency of the swing: 1/2 Hertz

The period is: 2 Seconds

Explanation:

The time the kid takes to make a complete to-and-fro swing = 2 seconds

The period, T, is the time it takes to make one complete cycle of an oscillatory motion, therefore, we have;

The frequency, f, is the number of cycles completed each second, therefore, we have;

The time for 1 cycle = 2 seconds

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Dividing both sides by 2 gives;

2/2 seconds = 1/2 cycles

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In 2/2 = 1 seconds The number of cycles completed = 1/2 cycles

Therefore, the number of cycles completed per (one) second = 1/2 cycles

Therefore the frequency of the swing, f = 1/2 cycle/seconds = 1/2 Hertz

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3 years ago

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3 years ago

The energy flow per unit time per unit area (S) of an electromagnetic wave has an average value of 310 mW/m2. The maximum value

Aleksandr-060686 [28]

Answer:

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Explanation:

Given that

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To find the maximum value of the magnetic field the wave is closest to, we say

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Emax = √[(2 * 0.310 * 3*10^8 * 4π*10^-7)]

Emax = √233.7648

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Now, with our value of maximum electromagnetic wave gotten, we divide it by speed of light to get our final answer

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uranmaximum [27]

Answer:

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Explanation:

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Mass of a squirrel is 0.765 kg.

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