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VladimirAG [237]
3 years ago
15

If multiple measurements are taken and they vary quite a bit from each other, the measurements are

Physics
2 answers:
Alexus [3.1K]3 years ago
8 0

Answer:

precise

Explanation:

usatestprep

Sphinxa [80]3 years ago
7 0

Answer

B) not precise

Explanation:

i just did it from USATsetprep

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a dog walking or their phone rings or heard a neighbor talking to them

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An airplane travels 2800 km at a speed of 700 km/h, decreases its speed to 500 km/h for the next 1500 km and travels the last 10
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2 years ago
a person dives off the edge of aa cliff 33m above the surface of the sea. assuming that air resistance is negligible, how long d
USPshnik [31]

Answer:

The time is t = 2.595 \  s

The speed is v = 25.43 \ m/s

Explanation:

From the question we are told that

    The height of the cliff is  h =  33 \  m

 Generally from kinematic equation we have that

       h  =  ut + \frac{1}{2} gt^2

before the jump the persons initial velocity is  u =  0 m/s

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        33   =  0 * t + \frac{1}{2} 9.8 * t^2

=>      t = 2.595 \  s

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     v= u + gt

=>  v= 0 + 9.8 * 2.595

=>  v = 25.43 \ m/s

3 0
3 years ago
Why should it take significantly more energy to move a beam of alpha particles than a beam of beta minus (β–) particles?
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An 'alpha particle' is the same thing as the nucleus of a helium atom ... 
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