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Viktor [21]
3 years ago
7

Explain why the weather changes with the season's temperate climate zones.

Physics
1 answer:
diamong [38]3 years ago
3 0
Environments that have moderate rainfall spread year to year with sporadic droughts. Mild and warm- leads to summer(hot) cool and cold leads the winter
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A diver jumps off a diving platform that is 20 meters long. Describe the transfer of energy that occurs during the fall.
kobusy [5.1K]

Answer: gravitational potential energy is converted into kinetic energy

Explanation:

When the diver stands on the platform, at 20 m above the surface of the water, he has some gravitational potential energy, which is given by

E=mgh

where m is the man's mass, g is the gravitational acceleration and h is the height above the water. As he jumps, the gravitational potential energy starts decreasing, because its height h above the water decreases, and he acquires kinetic energy, which is given by

K=\frac{1}{2}mv^2

where v is the speed of the diver, which is increasing. When he touches the water, all the initial gravitational potential energy has been converted into kinetic energy.

8 0
3 years ago
How does the force the Earth exerts on you compare with the force you exert on it?
Pie

Answer:

C.Earth and you exert equal and opposite forces on each other.

Explanation:

Hello, I can help you with this

The force that the earth exerts on any object is due to the force of gravity and is known as weight, F = mg, this force is directed towards the center of the earth, in addition, according to the laws of physics for any action must have a reaction, in this case it is a force that goes out  from the ground and it is directed upwards, this force is called normal and it has the same magnitude of your weight but the opposite direction.

Have a great day.

6 0
3 years ago
A displacement vector begins at the point (2,3) on a Cartesian plane and ends at (5, 7). Calculate the length of this vector
babunello [35]

Answer:

The length is d = 5

Explanation:

We must identify the respective coordinates of both points.

(x1,y1) = (2,3)

(x2,y2) = (5,7)

Now we know the distance equation of a straight line:

d=\sqrt{(x_{2} -x_{1} )^{2} +(y_{2} -y_{1} )^{2} } \\d=\sqrt{(5-2)^{2} +(7-3)^{2} }\\ d=\sqrt{9+16} \\d=5

3 0
3 years ago
Matter is anything that has mass and takes up space. Which units of measurement can you use to describe these two properties?
Papessa [141]

Answer: Matter is anything that has mass and takes up space . Mass is amount of mass that an object contains. Mass is measured by scale . Volume is amount of space that matter takes up .

Explanation:

4 0
3 years ago
Consider a steel guitar string of initial length L=1.00 meter and cross-sectional area A=0.500 square millimeters. The Young's m
ira [324]

Answer:

\Delta L=15\,mm

Explanation:

Given:

  • length of a steel-string, L=1m
  • area of the string, A=0.5\,mm^2
  • Young's modulus of the steel, Y=2\times 10^{11} Pa
  • force of tension on the string, F=1500\,N

We have the relation for change in length:

\Delta L=\frac{F.L}{A.Y}

\Delta L=\frac{1500\times 1000}{0.5\times 10^{-6}\times 2\times 10^{11}}

\Delta L=0.015m

\Delta L=15\,mm

6 0
3 years ago
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