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Alex Ar [27]
3 years ago
9

Anthony and Maelynn are watching a football game outside on a sunny day. Anthony is wearing a black shirt and Maelynn is wearing

a white shirt. Which person will be warmer after the game? Explain your answer.
Physics
2 answers:
melomori [17]3 years ago
7 0

Answer: Anthony will be warmer after the game.

Explanation :

Anthony and Maelynn are watching a football game outside on a sunny day. Anthony is wearing a black shirt and Maelynn is wearing a white shirt. Anthony will be warmer after the game. The black color is a good absorber of radiation and a bad reflector.

The black color absorbs heat until a thermal equilibrium is attained. So, it is advisable to wear cotton clothes in summers not dark colored clothes.

astra-53 [7]3 years ago
3 0

Answer:

Anthony will be warmer after the game because he is wearing a black shirt. Dark colors absorb more thermal energy than light colors.

Explanation:

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gregori [183]

Answer:

-0.01 mm

Explanation:

We are given that

The value of one division of vernier scale =0.5 mm

The value of one main scale division=0.49 mm

We have to find the value of least count of the instrument in mm.

We know that

Leas count of vernier caliper=1 main scale division-1 vernier scale division

Least count of vernier caliper=0.49-0.50=-0.01 mm

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Answer: -0.01 mm

8 0
3 years ago
An object at rest starts accelerating.
Shalnov [3]

Answer:

<u>We are given: </u>

initial velocity (u) = 0 m/s

final velocity (v) = 10 m/s

displacement (s) = 20 m

acceleration (a) = a m/s/s

<u>Solving for 'a'</u>

From the third equation of motion:

v² - u² = 2as

replacing the variables

(10)² - (0)² = 2(a)(20)

100 = 40a

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a = 2.5 m/s²

6 0
3 years ago
Wheat ground into flour is an example of a ___ change?
EleoNora [17]

Oml... Its physical... Unless if your turning that wheat into bread by using fire it would be chemical.






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6 0
3 years ago
A projectile is fired with a velocity of 22 m/s at an angle of 25°. What is the vertical component of the velocity?
7nadin3 [17]

Answer:

Vertical component of velocity is 9.29 m/s

Explanation:

Given that,

Velocity of projection of a projectile, v = 22 m/s

It is fired at an angle of 22°

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The vertical component of velocity is v sinθ

So, vertical component is given by :

v_y=v\ sin(25)

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GaryK [48]

Answer: 5m/s^2

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8a = 45 — 5

8a = 40

a = 40 / 8

a = 5m/s^2

3 0
4 years ago
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