2 years ago

True or false: Equilibrium is the continual change from product to reactant and back.

Physics

1 answer:

kolbaska11 [484]2 years ago

3 0

The answer is true: Equilibrium is the continual change from product to rectant and back.

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Energy that is stored due to types of bonds and arrangement of atoms refers to ___________ energy

Bingel [31]

Potential energy is in short, stored energy

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2 years ago

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A shell is fired at an angle of 35° above the horizontal at a velocity of 40 m/s. (a) What is it's speed at the highest point of

Fudgin [204]

Answer:

Part a)

$v_f = v_x = 32.77 m/s$

Part b)

T = 4.68 s

Explanation:

Part a)

Shell is fired at speed of 40 m/s at angle of 35 degree

so here we have

$v_x = 40 cos35 = 32.77 m/s$

$v_y = 40 sin35 = 22.94 m/s$

since gravity act opposite to vertical speed of the shell so at the highest point of its trajectory the vertical component of the speed will become zero

so at the highest point the speed is given

$v_f = 32.77 m/s$

Part b)

After completing the motion we know that the displacement of the object will be zero in Y direction

so we have

$\Delta y = 0$

$0 = v_y t - \frac{1}{2}gt^2$

$T = \frac{2v_y}{g}$

$T = \frac{2(22.94)}{9.81} = 4.68 s$

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2 years ago

Kinetic energy of an object is equal to

Gnom [1K]

See
K.E=1/2(mass*velocity²)
so option B is the correct answer.
Brainliest pls :-)

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What type of motion occurs when an object spends around and axis without altering its linear position?

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Well there has to have a altering linear position

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What keeps the balanced rock balanced

pogonyaev

Hello,

Here is your answer:

The proper answer to this question is "because of there substantial size the rock rests on another rock which keeps it balanced".

If you need anymore help feel free to ask me!

Hope this helps!

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2 years ago