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Marina86 [1]
3 years ago
14

Your nerf dart gun is able to shoot a suction cup dart at a speed of 5 m/s. Your room is 3 meters across. You want to shoot your

dart gun horizontally and hit the bulls-eye. How high above the bullseye would you need to aim for the dart to hit the spot you desire?

Physics
1 answer:
postnew [5]3 years ago
4 0
1,766 m according to my app. see foto.

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A pulley has a mechanical advantage of 1.
sertanlavr [38]

Answer:

There is no mechanical advantage

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7 0
2 years ago
The current in an electric hair dryer is 10
Vikki [24]
First let's convert the time in seconds:
\Delta t= 5 min= 5 min \cdot (60 s/min)= 300 s

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I= \frac{Q}{\Delta t}
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Q=I \Delta t=(10 A)(300 s)=3000 C

The charge of a single electron is q=1.6 \cdot 10^{-19} C, so the number of electrons flown through the hair dryer is the total charge divided by the charge of a single electron:
N= \frac{Q}{q}= \frac{3000 C}{1.6 \cdot 10^{-19} C} =1.88 \cdot 10^{22}
8 0
3 years ago
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