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GarryVolchara [31]
4 years ago
9

Solve for x –30 = 5(x + 1)

Physics
2 answers:
Neko [114]4 years ago
6 0
-30=(5)(x)+(5)(1) (Distribute)
-30=5x+5
Flip equation
5x+5=-30
Subtract 5 from both sides
5x+5-5=-30-5
5x=-35
Divide both sides by 5
X=-7
balandron [24]4 years ago
5 0

Answer:

-30=5(x+1) is -7

Explanation:

distribute flip subtract 5 from both sides divide both sides by 5

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irinina [24]

Answer:

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3 0
3 years ago
A bucket of mass M (when empty) initially at rest and containing a mass of water is being pulled up a well by a rope exerting a
Naily [24]

Answer:

V=\dfrac{PT}{m}\ ln\dfrac{M+m}{M}-gT

Explanation:

Given that

Constant rate of leak =R

Mass at time T ,m=RT

At any time t

The mass = Rt

So the total mass in downward direction=(M+Rt)

Now force equation

(M+Rt) a =P- (M+Rt) g

a=\dfrac{P}{M+Rt}-g

We know that

a=\dfrac{dV}{dt}

\dfrac{dV}{dt}=\dfrac{P}{M+Rt}-g

\int_{0}^{V}V=\int_0^T \left(\dfrac{P}{M+Rt}-g\right)dt

V=\dfrac{P}{R}\ ln\dfrac{M+RT}{M}-gT

V=\dfrac{PT}{m}\ ln\dfrac{M+m}{M}-gT

This is the velocity of bucket at the instance when it become empty.

6 0
4 years ago
At a sudden contraction in a pipe the diameter changes fromD1toD2. The pressure drop,Δp, which develops across the contraction i
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Answer: The working and answer can be viewed from the screenshots below. Thanks

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4 years ago
An earthquake in San Francisco produces a wave with a period of 0.80 seconds and a wavelength of 40 m., How long will it take fo
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Answer:

A) 3.11 Hrs

Explanation:

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now we will have

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v = 50 m/s

now the time taken by the wave to move the distance 560 km is given as

t = \frac{distance}{speed}

t = \frac{560\times 10^3}{50}

t = 11200 s

t = 3.11 hours

4 0
3 years ago
a 100 N block on a 30 incline, is being held motionless by friction. The coefficient of static friction between the block and th
nirvana33 [79]
The answer would be 50N
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