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ANTONII [103]
2 years ago
9

Which tower is more likely to fall?

Physics
2 answers:
shepuryov [24]2 years ago
6 0
I say B.  only because its smaller in width and it has a better chance of falling 
Tasya [4]2 years ago
4 0
If there is no difference in angles but one has more width - this one is more likely to fall. 

<span>In physics, we use term "center of mass" (geometrical point). </span>
<span>The displacement of the center of mass from vertical line is higher => higher magnitude of net force => higher chance to fall.
</span>
I would say A :)

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The spring is released and a 0.10-kilogram plastic sphere is fired from the launcher. Calculate the maximum speed with which the
tigry1 [53]

Answer:

A) The elastic potential energy stored in the spring when it is compressed 0.10 m is 0.25 J.

B) The maximum speed of the plastic sphere will be 2.2 m/s

Explanation:

Hi there!

I´ve found the complete problem on the web:

<em>A toy launcher that is used to launch small plastic spheres horizontally contains a spring with a spring constant of 50. newtons per meter. The spring is compressed a distance of 0.10 meter when the launcher is ready to launch a plastic sphere.</em>

<em>A) Determine the elastic potential energy stored in the spring when the launcher is ready to launch a plastic sphere.</em>

<em>B) The spring is released and a 0.10-kilogram plastic sphere is fired from the launcher. Calculate the maximum speed with which the plastic sphere will be launched. [Neglect friction.] [Show all work, including the equation and substitution with units.]</em>

<em />

A) The elastic potential energy (EPE) is calculated as follows:

EPE = 1/2 · k · x²

Where:

k = spring constant.

x = compressing distance

EPE = 1/2 · 50 N/m · (0.10 m)²

EPE = 0.25 J

The elastic potential energy stored in the spring when it is compressed 0.10 m is 0.25 J.

B) Since there is no friction, all the stored potential energy will be converted into kinetic energy when the spring is released. The equation of kinetic energy (KE) is the following:

KE = 1/2 · m · v²

Where:

m = mass of the sphere.

v = velocity

The kinetic energy of the sphere will be equal to the initial elastic potential energy:

KE = EPE = 1/2 · m · v²

0.25 J = 1/2 · 0.10 kg · v²

2 · 0.25 J / 0.10 kg = v²

v = 2.2 m/s

The maximum speed of the plastic sphere will be 2.2 m/s

6 0
3 years ago
A baby carriage is rolling down a hill at 18 m/s. If the carriage has 90J of kinetic energy, what is the mass of the carriage? a
grin007 [14]

Answer:

why did the parents let go of their child-

Explanation:

A 5 kg, because 90 / 18 is 5

6 0
2 years ago
Read 2 more answers
What kind of thermal energy that flows between objects due to a difference in temperature?
TiliK225 [7]
Thermal energy that flows between objects due to a difference in temperature is heat. 

6 0
2 years ago
An eagle has a forward force due to its wings of 6 N. The drag force of the air is 4 N backwards, and its lift force and force o
LuckyWell [14K]

Answer:

C. 2 N forwards

Explanation:

Net Force in y direction = 0 since the lift force and gravity cancel out. Net force in x direction = 6 N forward - 4 N backwards = 2 N forwards.

7 0
3 years ago
A magnifying glass uses a convex lens of focal length 6.25 cm. When it is held 5.20 cm in front of an object, what is the image
mars1129 [50]

Answer:

The answer is either 5 or I'm learning something different and I just can't read

Explanation:

I hope this helped...

7 0
2 years ago
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