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Alex787 [66]
4 years ago
5

PLEASE HELP!! Will award brainliest!

Physics
1 answer:
Maslowich4 years ago
6 0

Answer: uhh c

Explanation: i guess hehe

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andrey2020 [161]
Ware them down, its like rubbing two pieces of chalk together. 
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3 years ago
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A man weighing 989n on earth only 163 N on the moon. His mass on the moon is __ kg. (Use g=9.8m/s)
shtirl [24]

Answer:

16.63265306 Kg

Explanation:

This is a Newtons to weight conversion.

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3 years ago
A square wave has amplitude 0 V for the low voltage and 4 V for the high voltage. Calculate the average voltage by integrating o
Margarita [4]

Answer:

V_{average} = \frac{1}{2}  V_o  ,     V_{average} = 2 V

Explanation:

he average or effective voltage of a wave is the value of the wave in a period

            V_average = ∫ V dt

in this case the given volage is a square wave that can be described by the function

           V (t) = \left \{ {{V=V_o \ \ \  t<  \tau /2} \atop {V=0 \ \  \ \  t> \tau /2 }   } \right.

to substitute in the equation let us separate the into two pairs

             V_average = \int\limits^{1/2}_0 {V_o} \, dt + \int\limits^1_{1/2} {0} \, dt

             V_average = V_o \ \int\limits^{1/2}_0 {} \, dt

             V_{average} = \frac{1}{2}  V_o

we evaluate  V₀ = 4 V

             V_{average} = 4 / 2)

             V_{average} = 2 V

6 0
3 years ago
Why do we need to have an understanding about impulse and momentum ?
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Momentum is the quantity of motion of a moving body measured as a product of its mass and velocity
Formula p=m v
P=momentum
M=mass
V=velocity
8 0
3 years ago
1. Calculate the mechanical advantage of a machine that has an input force of 13 N and
Helga [31]

Answer:

52 N output

Explanation: 65-13=52

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3 years ago
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