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3 years ago

PLEASE HELP!!!!!

Mathematics

1 answer:

nasty-shy [4]3 years ago

6 0

The total charge would be $445.

Hope this helps!!

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romanna [79]

Answer:

heyoo ill be ur friend and i am sure ur eyes r beautiful

Step-by-step explanation:

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3 years ago

Initially a wheel rotating about a fixed axis at a constant angular deceleration of 0.5 rad/s 2 has an angular velocity of 0 rad

Zigmanuir [339]

Answer:

$\theta = 5.83\ rad$

Step-by-step explanation:

given,

angular deceleration, α = -0.5 rad/s²

final angular velocity,ω_f = 0 rad/s

angular position, θ = 6.1 rad

angular position at 3.9 s = ?

now, Calculating the initial angular speed

$\omega_f^2 = \omega_i^2 + 2 \alpha \theta$

$0 = \omega_i^2 - 2\times 0.5\times 6.1$

$\omega_i = \sqrt{6.1}$

$\omega_i = 2.47\ rad/s$

now, angular position calculation at t=3.9 s

$\theta = \omega_i t + \dfrac{1}{2}\alpha t^2$

$\theta =2.47\times 3.9 - \dfrac{1}{2}\times 0.5\times 3.9^2$

$\theta = 5.83\ rad$

Hence, the angular position of the wheel after 3.9 s is equal to 5.83 rad.

7 0

3 years ago

Solve the system of equations:

PolarNik [594]

Answer:

D.(-1,-5) and (5,7)

Step-by-step explanation:

I used a graphing tool to graph the two equations together. When graphed, the equations intercept (5,7) and (-1,-5). Therefore, they are the solutions to the system.

Option D should be the correct answer.

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3 years ago

How many hours and minutes elapsed from 8:00 a.m to 2:30 p.m?

seraphim [82]

Answer:

6 hours and 30 mins

Step-by-step explanation:

This is right answer because from 8:00 to 9:00 is 1 hour and each hour is 60 mins and each minute is 60 secs. I hope this helps and please give me the crown

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2 years ago

the ratio of pink marbles to White Marbles Tamara's bag is equal to 1:5 what is the percent of pink marbles

dusya [7]

It would be 20% because if you take 100 times 1/5, which is the same as 100/5, you would get 20, which is 1/5.

8 0

3 years ago

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