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3 years ago

Which is not a form of light?

Physics

1 answer:

kifflom [539]3 years ago

8 0

Radio waves, Middle-C, and halitosis are not forms of light.

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I need help with this problem on science 8th grade here is the picture of the assignment place help me

Leni [432]

Answer:

the first one is D

Explanation:

so if the others u put are right the the second would be c

7 0

3 years ago

Read 2 more answers

_____reaches the Earth’s surface through ______, then turns into ______.

VikaD [51]

Answer:

Explanation:

magma comes up from the core and comes out through volcanoes and then is turned into lava.

4 0

2 years ago

Which of the following is the best hypothesis

tekilochka [14]

Answer:

Melting and frezzing are physical changes

5 0

2 years ago

Suppose the maximum power delivered by a car's engine results in a force of 16000 N on the car by the road. In the absence of an

joja [24]

Answer:

Approximately $9.7\; \rm m \cdot s^{-2}$ .

Explanation:

Assuming that there is no other force on this vehicle, the $16000\; \rm N$ force from the road would be the only force on this vehicle. The net force would then be equal to this $16000\; \rm N\!$ force. The size of the net force would be $16000\; \rm N\!\!$ .

Let $m$ denote the mass of this vehicle and let $\Sigma F$ denote the net force on this vehicle.

By Newton's Second Law of motion, the acceleration of this vehicle would be proportional to the net force on this vehicle. In other words, the acceleration of this vehicle, $a$ , would be:

$\begin{aligned}a &= \frac{\Sigma F}{m}\end{aligned}$ .

For this vehicle, $\Sigma F = 16000\; \rm N$ whereas $m = 1650\; \rm kg$ . The acceleration of this vehicle would be:

$\begin{aligned}a &= \frac{16000\; \rm N}{1650\; \rm kg} \\ &= \frac{16000\; \rm kg \cdot m\cdot s^{-2}}{1650\; \rm kg}\\ &\approx 9.7 \; \rm m \cdot s^{-2}\end{aligned}$ .

8 0

3 years ago

Time (min)

charle [14.2K]

Answer:

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3 years ago