4 years ago

[TRUE/FALSE] If an object is moving at constant velocity it must be in equilibrium.

Physics

1 answer:

DENIUS [597]4 years ago

4 0

Answer:

yes

Explanation:

objects with constant velocity also have zero net external force. this means the forces on the object are balanced. this mean they are in equilibrium

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A plate drops onto a smooth floor and shatters into three pieces of equal mass.Two of the pieces go off with equal speeds v at r

Firlakuza [10]

Answer:

Speed of the this part is given as

$v_3 = \sqrt2 v$

Also the direction of the velocity of the third part of plate is moving along 135 degree with respect to one part of the moving plate

Explanation:

As we know by the momentum conservation of the system

we will have

$P_1 + P_2 + P_3 = P_i$

here we know that

$P_1 = P_2$

the momentum of two parts are equal in magnitude but perpendicular to each other

so we will have

$P_1 + P_2 = \sqrt{P^2 + P^2}$

$P_1 + P_2 = \sqrt2 mv$

now from above equation we have

$P_3 = -(P_1 + P_2)$

$mv_3 = -(\sqrt 2 mv)$

$v_3 = \sqrt2 v$

Also the direction of the velocity of the third part of plate is moving along 135 degree with respect to one part of the moving plate

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3 years ago

A bicycle is traveling at 10 m/s on a flat road. As it reaches a hill, it starts accelerating,

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3 years ago

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When grocery shopping, the mass of the cart changes as you start to fill up your cart. How does the change in mass of your cart

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Answer:

Explanation:

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3 years ago

Write the two ways that something can be faster than something else.

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Trying and forcing it

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3 years ago

The elements selenium and oxygen are both poor electrical conductors. In which section of the periodic table are they

murzikaleks [220]

Answer:

The answer to your question is Nonmetals

Explanation:

Nonmetals they are bad conductors of heat and electricity except graphite.

Metalloids they are less conductors of electricity than metals.

Noble gases they conduct electricity.

Halogens they are not metals and do not conduct electricity.

From this information, we conclude that Oxygen and Selenium are nonmetals.

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3 years ago