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mars1129 [50]
2 years ago
5

7. Why are cooking pans made of aluminum? {Explain using the specific heat value of

Physics
1 answer:
Dimas [21]2 years ago
6 0
Cooking utensils, such as pots, pans and menu trays, are often made from aluminium because it is lightweight and conducts heat well, making it energy-efficient for heating and cooling. These properties also make it a preferred material for packaging.
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A boy 12.0 m above the ground in a tree throws a ball for his dog, who is standing right below the tree and starts running the i
miss Akunina [59]

Answer:

Explanation:

Height covered = 12m

time to fall by 12 m

s = 1/2 gt²

12 = 1/2 g t²

t = 1.565 s

Horizontal distance of throw

= 8.5 x 1.565

= 13.3 m

This distance is to be covered by dog during the time ball falls ie 1.565 s

Speed of dog required = 13.3 / 1.565

= 8.5 m /s

b ) dog will catch the ball at a distance of 13.3 m .

4 0
3 years ago
If the mass of both weights is 225 gm, the first mass is located 20∘ north of east, the second mass is located 20∘ south of east
Montano1993 [528]

Answer:

The voltage is 2.114 V.

Explanation:

Given that,

Mass of both weights = 225 gm

Transducer sensitivity = 0.5 V/N

The first mass is located 20∘ north of east, the second mass is located 20∘ south of east,

We need to calculate the net equivalent force

Using formula of force

F_{3}=m_{1}g\cos\theta+m_{2}g\cos\theta

F_{3}=2mg\cos\theta

Put the value into the formula

F_{3}=2\times0.225\times10\cos20^{\circ}

F_{3}=4.228\ N

We need to calculate the voltage

Using formula of voltage

Voltage =sensitivity\times F_{3}

Put the value into the formula

Voltage=0.5\times4.228

Voltage =2.114\ V

Hence, The voltage is 2.114 V.

7 0
3 years ago
What is caused by the condensation of water vapor?
Lisa [10]
Condensation<span> is the change of </span>water<span> from its gaseous form (</span>water vapor) into liquid water<span>. </span>Condensation<span> occurs in the atmosphere when warm air rises, cools and looses its capacity to hold </span>water vapor<span>. As a result, excess </span>water vapor <span>condenses to form cloud droplets.</span>
7 0
3 years ago
Read 2 more answers
A bicycle moves 3 m/s how far it will go in 30 seconds
satela [25.4K]

The distance travelled by the bike can be calculated by using the basic relationship between speed (v), distance (S) and time (t):

v=\frac{S}{t}

Rearranging the equation, we get

S=vt

The speed of the bike is v=3 m/s, the time is t=30 s, so the distance travelled by the bike is

S=vt=(3 m/s)(30 s)=90 m

5 0
3 years ago
Swamps and other wetlands do not offer much value to humans. True or false?
uysha [10]

The statement 'Swamps and other wetlands do not offer much value to humans' is FALSE.

<h3>What are Swamps?</h3>

Swamps and other wetlands are specific ecosystems that are abundant in biodiversity and therefore offer many advantages.

Biodiversity is fundamental to discovering new biotechnological applications and therefore swamps are fundamental for humans.

In conclusion, The statement 'Swamps and other wetlands do not offer much value to humans' is FALSE.

Learn more about swamp diversity here:

brainly.com/question/14619172

#SPJ1

8 0
2 years ago
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