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2 years ago

13

A small plane starts from rest and accelerates uniformly to the east to a takeoff velocity of 70 m/s in 5 seconds. What is the p

lane’s acceleration?
Please help!

1 answer:

Rainbow [258]2 years ago

3 0

Hope this helps, if you need clarification i got you

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dangina [55]

Answer:

C 2000v its obviously ans because if o is 1000 2 vo is 2000v

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2 years ago

What are the SI units for acceleration?<br> a. m/s<br> b. m/s/s<br> c. N<br> d. kg

ozzi

M/s^2 is the correct answer

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3 years ago

A boy with a mouse is 80 kg stands on a scale in an ascending elevator with an acceleration of 3 m/s What is the resultant upwar

Rus_ich [418]

Answer:

Upward force on the boy will be 1024 N

Explanation:

We have given mass of the boy m = 80 kg

Acceleration due to gravity $g=9.8m/sec^2$

It is given that elevator is ascending with acceleration of $3m/sec^2$

So net acceleration on the boy = 9.8+3 = 12.8 $m/sec^2$ ( As the car elevator is moving ascending )

So upward force on the boy will be equal to F = m(g+a)

So $F=80\times 12.8=1024N$

So upward force on the boy will be 1024 N

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3 years ago

True or False: Amplitude can increase or decrease wavelength

Marat540 [252]

Answer:

A. False, frequency can increase or decrease wavelength.

For example: a high frequency would mean there are shorter wavelengths that occur in a period. Meanwhile, a low frequency would indicate that the wavelengths are longer and in longer periods.

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2 years ago

How to understand Planck law?

AVprozaik [17]

Do you have a book about it? or if you have a dictionary?

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3 years ago