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solong [7]
2 years ago
9

(dH/dt)=k(68-H) find the general solution for the differential equation

Mathematics
1 answer:
Anni [7]2 years ago
4 0
DH/dt=k(68-H)
1/(68-H)dH=kt assuming k is a constant
ln|68-H|=kt+C (*)
we have all H satisfying (*)
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PLSS HELP ASAP TYSM <33 SORRY I COULDN'T FIND SCIENCE LOLL ​
dimaraw [331]

Answer:

Rock D.

Step-by-step explanation:

We can assume that the force that the catapult does is always the same.

So, here we need to remember Newton's second law:

F = m*a

force equals mass times acceleration.

Where acceleration is the rate of change of the velocity.

So, if we want the rock to hit closer to the catapult, the rock must be less accelerated than rock B.

So, we can rewrite:

a = F/m

So, as larger is the mass of the rock, smaller will be the acceleration of the rock after it leaves the catapult (because the mass is in the denominator). So if we want to have a smaller acceleration, we need to choose a rock with a larger mass than rock B.

Assuming that the mass depends on the size, the only one that has a mass larger than rock B is rock D.

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5 0
3 years ago
How would one solve this
yaroslaw [1]
Sorry i really need points
4 0
2 years ago
Solve for B.<br> Ax+By=C<br> What is B equal to?<br> B=C−Ax/y<br> B=C/Axy<br> B=C/Ax −y<br> B=C−Ax−y
AfilCa [17]

Answer:

B = (C-Ax)/y

Step-by-step explanation:

Solve for B.

Ax+By=C

making B the subject of formula '

Ax+By=C

subtract Ax from both sides

By = C-Ax

By = C-Ax

divide both sides by y

B = (C-Ax)/y

4 0
3 years ago
Read 2 more answers
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Morgarella [4.7K]

Answer:

b : $0.22 on edg.

Step-by-step explanation:

7 0
2 years ago
(7 x 10^5) divided by (2 x 10^2) in standard form
RideAnS [48]

Answer:

3.5x10³

Step-by-step explanation:

7x10^5=700000

2x10^2=200

Divide both by 100

7000÷2=3500

divide by 1000 as standard form is less than 10

1000 is 10 cubed

3500÷1000 is 3.5

∴3.5x10^3 is answer

7 0
2 years ago
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