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3 years ago

Yanni just turned one. He loves to play with his cars and trucks. He can also name the animals he sees in books.

Physics

2 answers:

Liula [17]3 years ago

8 0

Infancy
i think hope this helps

Naya [18.7K]3 years ago

6 0

Answer:

B: Infancy

Explanation:

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A crumb of bread, of mass 0.056 kg, is pulled upon by ants from rival anthills. They exert the following forces: 0.06 N to the n

Valentin [98]

Answer:

a) 1.855m/s^2, 9.71\° to the east-north

b) 0.103N, 9.46° to the west-south

Explanation:

To find the acceleration of the system you can assume that the forces are applied in a xy plane, where force toward north are directed in the +y direction, and forces to the east in the +x direction. BY taking into account the components of the acceleration for each axis you obtain the following systems of equations:

$0.06N-0.06Nsin(45\°)=ma_y\\\\0.08N-0.02N+0.06cos(45\°)=ma_x$

m: mass of the crumb of bread = 0.056kg

you simplify the equations an replace the values of the mass in order to obtain the acceleration components:

$a_y=\frac{0.017N}{0.056kg}=0.313\frac{m}{s^2}\\\\a_x=\frac{0.102N}{0.056kg}=1.829\frac{m}{s^2}$

$\theta=tan^{-1}(\frac{0.313}{1.829})=9.71\°\\\\a=\sqrt{a_x^2+a_y^2}=\sqrt{(1.829)^2+(0.313)^2}\frac{m}{s^2}=1.855\frac{m}{s^2}$

then, the acceleration of the system has a magnitude of 1.855m/s^2 and a direction of 9.71\° to the east-north

The fifth force must cancel both x an y components of the previous net force, that is:

$0.06N-0.06Nsin(45\°)+F_y=0\\\\F_y=-0.017N\\\\0.08N-0.02N+0.06cos(45\°)+F_x=0\\\\F_x=-0.102N\\\\\phi=tan^{-1}(\frac{-0.017}{-0.102N})=9.46\°$

$F=\sqrt{(0.102)^2+(0.017)^2}N=0.103N$

the, the force needed to reach the equilibrium has a magnitude of 0.103N and a direction of 9.46° to the west-south

4 0

3 years ago

What is gravitonal force

zhuklara [117]

Answer:

its something that hold the air for forceing liy by the exgen

Explanation:

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3 years ago

A jetliner flies east 2000 miles from San Francisco to Chicago. It has an average air speed of 600 mph relative to the air. What

mariarad [96]

Answer:

750 mph, east

Explanation:

The jetliner is going from San Francisco to Chicago... so it's moving from West to East, at 600 mph, relative to the air.

The wind is also moving from West to East, at 150 mph.

Since both are going in the same direction, we combine the speeds by adding them to each other. If they were in opposite direction, we would subtract them.

So, 600 mph for the plane + 150 mph for the wind = 750 mph, going EAST.

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3 years ago

If mass remains the same while the volume of a substance ________, the density of the substance will_______________. decreases,

gtnhenbr [62]

Density =Mass/volume
When mass is constant, density is inversely proportional to volume or vice versa
When volume decreases, density increases
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3 years ago

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anygoal [31]

Power is your answer :)

Have a great day!!!

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4 years ago

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