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Lelechka [254]
2 years ago
5

SomeOne please help me will give BRAILIEST!!!!!!!!

Physics
2 answers:
ale4655 [162]2 years ago
6 0
That is false they are slightly tilted in an up ngle
just olya [345]2 years ago
5 0
False.
The wings on a plane are shaped a certain way so that when wind is being pushed against it it will glide.
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As an emergency vehicle approaches Bob and moves away from Jill, how does the actual frequency of the siren change? A) As an eme
Tamiku [17]
The correct answer is: 
<span>C) The actual frequency of the siren does not change despite appearances.

In fact, Bob will observe an increase in the apparent frequency as the emergency vehicle approaches him, while Jill will observe a decrease in the apparent frequency as the emergency vehicle moves away from him, because of the Doppler effect (the relative velocity between the observer and the source of the sound is changing), but this effect involves the apparent frequency, while the real frequency of the siren will remain the same.</span>
7 0
2 years ago
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Blake and Sandra are having a rummage sale. Blake drags 3 boxes a distance of 10 meters each. He exerts a force of 20 newtons on
vampirchik [111]
For Blake:

3 boxes at a distance of 10 meters each, each box weighs 20 N

Work done by Blake = 3 * 10m * 20N
                                 = 600 J
Power = 600 J/ 2 min
           = 300 J/min

For Sandra:

4 boxes, 15 N each at a distance of 12 meters each. 

Work done by Sandra = 4 * 15 N *12m
                                    =  720 J
Power = 720 J/ 4 min
           = 180 J/min

Blake does less work than Sandra. 
Blake's power is more than Sandra's.
5 0
3 years ago
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SOMEONE PLEEEAASSEE HELP ME T.T . This is due today! 40 points!!! I need to know how to find the x-axis.
Leviafan [203]

Answer:

GET NOOBED BEECH

Explanation:

asfasdfasdfasdfasdfasdf

6 0
2 years ago
What 2 things define the state of matter?
Colt1911 [192]

Answer:

mass and volume

Explanation:

matter is anything that has mass and occupies space(volume)

6 0
3 years ago
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The magnitude of the magnetic field at a certain distance from a long, straight conductor is represented by B. What is the magni
masya89 [10]

Answer:

  B/4

Explanation:

The magnetic field strength is inversely proportional to the square of the distance from the current. At double the distance, the strength will be 1/2^2 = 1/4 of that at the original distance:

The field at twice the distance is B/4.

8 0
2 years ago
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