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3 years ago

7

TRUE OR FALSE: some rays of light carry radiation.

2 answers:

vaieri [72.5K]3 years ago

8 0

Answer:

true

Explanation:

Daniel [21]3 years ago

6 0

Answer:

True

Explanation:

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How is the concept of wind best described?

konstantin123 [22]

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3 years ago

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A concave lens can only form a. A. real image. B. reversed image. C. virtual image. D. magnified image.

Umnica [9.8K]

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How do you know when water is boiling?

vladimir1956 [14]

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Explanation:

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3 years ago

A vehicle moving with a uniform a acceleration of 2m/s and has a velocity of 4m/s at a certain time .

Evgesh-ka [11]

Answer:

1 second later the vehicle's velocity will be:

$v(1)= 6\,\,\frac{m}{s} \\$

5 seconds later the vehicle's velocity will be:

$v(5)=14\,\,\frac{m}{s}$

Explanation:

Recall the formula for the velocity of an object under constant accelerated motion (with acceleration " $a$ "):

$v(t)=v_0+a\,t$

Therefore, in this case $v_0=4\,\,\frac{m}{s}$ and $a=2\,\,\frac{m}{s^2}$

so we can estimate the velocity of the vehicle at different times just by replacing the requested "t" in the expression:

$v(t)=v_0+a\,t\\v(t)=4+2\,\,t\\v(1)=4+2\,(1) = 6\,\,\frac{m}{s} \\v(5)=4+2\,(5)=14\,\,\frac{m}{s}$

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3 years ago

If two 100 ohms resistors are placed in series, their total resistance is what?

Sindrei [870]

Answer:

add the Resistance

2(100)= 200

2) 200 ohms

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3 years ago