3 years ago

4) Which of the following gases are typically used for colorful lighting when an electric current is applied ?

Physics

2 answers:

PIT_PIT [208]3 years ago

7 0

The answer is B. Hope this Helps!

Fiesta28 [93]3 years ago

7 0

I believe the answer I letter b

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a ball is thrown vertically upward with an initial speed of 40 m/s. how high is the ball above the ground when it stops

NISA [10]

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Explanation:

40m/s will be reduced to 0m/s in 4 seconds. 4 seconds x 40m/s would be 160m up, but you will only get half of that because you decelerate linearly to 0m/s. This leaves you with 4 x 20 = 80m.

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40 N

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We are given that

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$50-10-T'=m_B\times 0=0$

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For block A

$T'-f'=m_Aa$

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3 years ago

Can someone help me please

Evgen [1.6K]

The last one: meter

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2 years ago