3 years ago

Is 2CO + 2NO → 2CO2 + N2 balanced

Mathematics

1 answer:

Advocard [28]3 years ago

7 0

Yes, the equation is balanced. (brainliest?)

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The acceleration function a(t) (in m/s2) and the initial velocity v(0) are given for a particle moving along a line.

klemol [59]

Answer:

A: $v(t)=-t^2+4t-5$

Step-by-step explanation:

Acceleration is second derivative of position, velocity is first derivative. Therefore, the velocity is the integral of acceleration.

$v(t)=\int\ {2t+4} \, dt$

Integrate:

$-t^2+4t+C$

V(0)=-5:

$-0^2+4(0)+C=-5\\C=-5$

Therefore, v(t):

$v(t)=-t^2+4t-5$

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3 years ago

Joe left the hospital at the same time as Eugene. They drove in opposite directions. Eugene drove at a speed of 70 km/h. After t

Gala2k [10]

If Joe and Eugene are travelling in opposite directions, their total distance is 360 km.

Eugene's speed = 70 km/hour

Let Joe's speed be = x

They each travel for 3 hours, so time = 3 hours

Distance = speed * time

$360=70(3)+x(3)$

$360=210+3x$

$3x=150$

$x=50$

Hence, Joe's speed is 50 km per hour.

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3 years ago

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Bingel [31]

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3 years ago

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Brantley tosses a ball out of a window that is 60 ft in the air. Its initial velocity is 18 ft per second. The path of the ball

kow [346]

Answer:

2.58 seconds

Step-by-step explanation:

When you complete the square, you get ...

h = -16(t -9/16)^2 +60 +81/16

Then the solution for h=0 is ...

t = (x -9/16)^2 = 1041/256

t = (9 +√1041)/16 ≈ 2.57903 ≈ 2.58

It takes about 2.58 seconds for the ball to hit the ground.

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3 years ago

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3 years ago