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Zolol [24]
2 years ago
9

Convert 81.9 km into meters.

Physics
1 answer:
RUDIKE [14]2 years ago
3 0

Answer: 81900

Explanation: 81.9 x 1000 = 81900.

King Henry Doesn’t Usually Drink Chocolate Milk

                                  Meters

(Meters is Usually) (U)

Goes right 3 times so 3 0's so 1000.

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Fast and safe heart rate for workouts is called muscular strength? True or false
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jane pushed a box with 15 N force (an action) what force does the box have on Jane? which law is this?
lord [1]

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This is Newton’s third law (forces due to friction). There would be 15N being pushed back at Jane.

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2 years ago
The quantity of charge through a conductor is modeled as Q = (3.00 mC/s4)t4 − (2.00 mC/s)t + 9.00 mC. What is the current (in A)
Mumz [18]

Answer:

The current at time t = 4.00 s is 0.766 A.

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Given that,

The quantity of charge through a conductor is modeled as :

Q=(3t^4-2t+9)\ mC

We need to find the current (in A) at time t = 4.00 s. We know that the rate of change of electric charge is called electric current. It is given by :

I=\dfrac{dQ}{dt}\\\\I=\dfrac{d(3t^4-2t+9)}{dt}\\\\I=12t^3-2

At t = 4 s

I=12(4)^3-2=766\ mC/s\\\\I=0.766\ C/s=0.766\ A

So, the current at time t = 4.00 s is 0.766 A. Hence, this is the required solution.

7 0
2 years ago
Apply 100.0 N. of forced to the machine the machine applies 20.0 in a force to the load what is the mechanical advantage of the
Neporo4naja [7]

a =  \frac{f2}{f1}
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f1=force that is applied
f2=force the machine applied
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3 years ago
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