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Sergeu [11.5K]
4 years ago
6

Explain why a school bus is a compound machine

Physics
2 answers:
andrew11 [14]4 years ago
8 0
When speaking about compound machines, we are mainly first determining the word "compound". This would signify that they are (two) or/and many more machines that take place in this bus.

One way that a school bus would be known to be a compound machine would be because this school bus (in general) has multiple of machines that would make this bus work.

Some machines in this would be perhaps that (transmission, the engine its self, the plugging area) and a lot more that would make a bus a compound Machine.
Zolol [24]4 years ago
3 0
It combines multiplesimple machines working together
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List 5 occasions in real life when you want friction (motion to stop)
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Why is physics used to study the heat absorbed by the ocean?
Wewaii [24]

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B

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6 0
3 years ago
A and B start walking in the same direction at the same time around a circular park of diameter 4200 m. If A walks 10 m more tha
Liono4ka [1.6K]

Answer:

Va = 5000 m / 3600 s = 1.39 m/s

(Va - Vb) 60 = 10

Vb = Va - .167 = 1.22 m/s

(Va - Vb) T = 4200 Π      where T is time for A to complete 1 more lap

.17 T = 4200 Π

T = 24700 Π  time for A to again catch B

N = 1.39 * 24700 Answer:

Va = 5000 m / 3600 s = 1.39 m/s

(Va - Vb) 60 = 10

Vb = Va - .167 = 1.22 m/s

(Va - Vb) T = 4200 Π      where T is time for A to complete 1 more lap

.17 T = 4200 Π

T = 24700 Π  time for A to again catch B

N = 1.39 * 24700 Π / (4200 Π) = 8.2   laps

A will make 8 but not 9 rounds before catching B

6 0
2 years ago
Three electromagnetic waves travel through a certain point P along an x axis. They are polarized parallel to a y axis, with the
chubhunter [2.5K]

Answer:

4.846*10^{-5} sin(5*10^{14}t )

Explanation:

Frequency of each electromagnetic wave is same thus we can interfere them along X axis in Phase diagram.

In phase diagram indicate each wave as vector with amplitude as length and phase difference as angle. (shown in attachment)

Now take component of E2 and E3 amplitude along X direction.

Net amplitude of all E in X direction = 4*10^{-5} + cos(45)[ 6*10^{-6} +  6*10^{-6} ]

⇒  4.846*10^{-5}

Final resultant have no change in frequency

So , resultant is 4.846*10^{-5} sin(5*10^{14}t )

6 0
4 years ago
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