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kakasveta [241]
3 years ago
14

Explain what kind of heat transfer occurs when you burn yourself on a hot car seat in the summer.

Physics
1 answer:
liubo4ka [24]3 years ago
6 0
Conduction is a mode of transfer of heat there
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A football player kicks a ball with an initial velocity of 25 m/s at an angle of 53 degrees above the horizontal. The vertical c
Verdich [7]

Answer:

20 m/s

Explanation:

initial velocity, u= 25m/s

u has two components. one in horizontal and in one vertical.

so,

u sin theta = vertical component.

=> u sin theta = 25× 4/5

= 20 m/s

7 0
3 years ago
Briefly describe how the Sun produces energy.
kobusy [5.1K]

Answer:

<em>The Sun produces energy by the process of nuclear fusion. Nuclear fusion occurs when lighter nuclei combine to produce a larger, heavier nucleus. In the process, energy is released. Nuclear fusion requires very high temperatures and pressures. Nuclear fusion occurs in the core of the Sun when hydrogen atoms combine to form helium atoms.</em>

<em />

<h2>                                           OR</h2><h2></h2><h2></h2><h2></h2>

<em>Sample Response: The Sun produces energy by the process of nuclear fusion. Nuclear fusion occurs when lighter nuclei combine to produce a larger, heavier nucleus. In the process, energy is released. Nuclear fusion requires very high temperatures and pressures. Nuclear fusion occurs in the core of the Sun when hydrogen atoms combine to form helium atoms</em>

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5 0
3 years ago
Add the following two vectors via the component method:
NeX [460]

A quantity which have both magnitude and direction is know as vector quantity.

Resultant vector is 6.81 m south east.

Triangle law of vector addition is when two vectors are represented as two sides of the triangle with the order of magnitude and direction, then the third side of the triangle represents the magnitude and direction of the resultant vector.

Since, vector K is 3.0 m north and vector L is 8.6 m southeast

So, angle between vectors K and L is,

                                                                 90+45 = 135 degree

Resultant vector,  R=\sqrt{K^{2}+L^{2}=2*K*L*cosx  \\\\

                             R=\sqrt{9+73.96-36.49} \\\\R=\sqrt{46.47} \\\\R=6.81 m

So, Resultant vector R is 6.81 m with direction of southeast.

Learn more:

brainly.com/question/19791435

8 0
2 years ago
______ resources include biodiversity, energy, land and<br> soil, and water resources.
cricket20 [7]

Answer : <u>Natural</u>

Explanation : Natural resources are the resources that are found in the environment and are developed without the intervention of humans

5 0
1 year ago
Read 2 more answers
Out of hypothesis, theories and laws “can help predict future events”
Amanda [17]

Answer:

true

Explanation:

7 0
3 years ago
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