1 year ago

What does the area of an acceleration time graph represent?

1 answer:

6 0

The area under the acceleration time graph represents change in velocity

The graph is plotted with acceleration on the vertical axis and time on the horizontal axis. The area under such graph represents change in velocity

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What is the temperature if the peak of a blackbody spectrum is at 18-nm?

finlep [7]

Answer:

Explanation:

According to Wein's displacement law

$\lambda_{max} T = b$

Where b = 2.898 x 10⁻³ m K

Given ,

$\lambda{max} = 18\times10^{-9}$

T = 161 X 10³ K.

4 0

2 years ago

A heated piece of metal cools according to the function c(x) = (.5)^(x _ 11), where x is measured in hours. A device is added th

Agata [3.3K]

You just need to replace x with 5 in each function

.5^5 - 11
-5-3

.5 ^-6
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2 years ago

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Little Tammy lines up to tackle Jackson to (unsuccessfully) prove the law of conservation of momentum. Tammy’s mass is 34.0 kg a

Leya [2.2K]

Answer:

So Tammy must move with speed 4.76 m/s in opposite direction of Jackson

Explanation:

As per law of conservation of momentum we know that there is no external force on it

So here we can say that initial momentum of the system must be equal to the final momentum of the system

now we have

$m_1v_1 + m_2v_2 = 0$

final they both comes to rest so here we can say that final momentum must be zero

now we have

$34 v + 54 (3 m/s) = 0$

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6 0

2 years ago

I need help please and thanks

asambeis [7]

Answer:

Explanation:

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1 year ago

A little girl is going on the merry-go-round for the first time, and wants her 50kg mother to stand near to her on the ride 2.1m

aliya0001 [1]

Angular momemtum : mass * tangential speed * distance to the center = 50*2.1*3.6=37800 J.s

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2 years ago