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Dominik [7]
3 years ago
7

Compared to yellow light, orange light has

Physics
2 answers:
Mkey [24]3 years ago
7 0
<span>So we want to know what does orange light has when we compare it to yellow light. So when we take a look at the electromagnetic spectrum we can see that orange color has longer wavelength than yellow color. So the correct answer is A. alonger wavelength.</span>
andreyandreev [35.5K]3 years ago
3 0

compared to yellow light , orange light has A. a longer wavelength

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A robot standing on a cliff shoots a ball upwards with an initial speed of 30 m/s. What is the height of the cliff given that th
valina [46]

Answer:

C 80 m

Explanation:

Given:

v₀ = 30 m/s

a = -10 m/s²

t = 8 s

Find: Δy

Δy = v₀ t + ½ at²

Δy = (30 m/s) (8 s) + ½ (-10 m/s²) (8 s)²

Δy = -80 m

The ball lands 80 m below where it started.  So the height of the cliff is 80 m.

5 0
3 years ago
When you hold a piece of chocolate in ypur hand, why does the chocolate melt?
dalvyx [7]
Because your hand is warm and the warmness melts the chocolate...
7 0
3 years ago
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What is meant by the term law of conservation?​
GalinKa [24]

Answer:

Explanation:

any law stating that some quantity or property remains constant during and after an interaction or process, as conservation of charge or conservation of linear momentum.

4 0
3 years ago
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a man can row about 4kmperhr in a still water.he rows the boat 2km up the stream and 2km back to his starting point in 2hr.how f
Nat2105 [25]

<u>Answer</u>:

The stream flowing  at a speed of 2.828 \mathrm{km} / \mathrm{hr}

<u>Explanation</u>:

Given:  

Distance = 2km (both in upstream and downstream)  

The speed in still water be x km/hr.  

The speed in upstream = 4-x  

Speed in downstream = 4+x  

Solution:

We know that, Speed = distance/time  

So, Time = distance/speed

Therefore,  

2=\left(\frac{2}{4-x}\right)+\left(\frac{2}{4+x}\right)

2=\frac{2(4+x)+2(4-x)}{(4-x)(4+x)}

2(4-x)(4+x)=2(4+x)+2(4-x)

2(4-x)(4+x)=2(4+x+4-x)

By cancelling 2 on both sides,

16-x^{2}=8

x^{2}=16-8=8

x=\sqrt{8}

x=2.828 \mathrm{km} / \mathrm{hr}

Result:

Thus the speed of the stream is 2.828 \mathrm{km} / \mathrm{hr}

7 0
4 years ago
Jeremy walked at an average rate of speed of 5 km/h. how far had Jeremy walked in 15 minutes?
astraxan [27]

Answer:

1 half kilometer is right answer

5 0
3 years ago
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