3 years ago

Which produces more carbon dioxide?

1 answer:

6 0

It depends on the car and the home and what it is producing but most commonly it would be cars producing more carbon dioxide.

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malfutka [58]

Acceleration is the rate of change in an object's velocity

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2 years ago

Determine the angular velocity of the merry-go-round if a jumps off horizontally in the −n direction with a speed of 2 m/s , mea

lapo4ka [179]

by angular momentum conservation we will have

angular momentum of child + angular momentum of merry go round = 0

angular momentum of child = mvR

m = mass of child

R = radius of child

v = speed = 2 m/s

now let's say moment of inertia of merry go round is I

so we will have

$m*2*R + Iw = 0$

$w = -\frac{2mR}{I}$

so merry go round will turn in opposite direction with above speed

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2 years ago

How is lightning related to static electricity?

Naily [24]

Lighting is the static electricity stored in the clouds that is disposed to the earth.

8 0

2 years ago

Cho mạch như hình vẽ E

labwork [276]

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Explanation:

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1 year ago

A block of wood is floating in water; it is depressed slightly and then released to oscillate up and down. Assume that the top a

Marysya12 [62]

Explanation:

Equilibrium position in y direction:

W = Fb (Weight of the block is equal to buoyant force)

m*g = V*p*g

V under water = A*h

hence,

m = A*h*p

Using Newton 2nd Law

$-m*\frac{d^2y}{dt^2} = Fb - W\\\\-m*\frac{d^2y}{dt^2} = p*g*(h+y)*A - A*h*p*g\\\\-A*h*p*\frac{d^2y}{dt^2} = y *p*A*g\\\\\frac{d^2y}{dt^2} + \frac{g}{h} * y =0$

Hence, T time period

T = 2*pi*sqrt ( h / g )

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3 years ago