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Finger [1]
3 years ago
15

What are the types of energies released when a candle burns?

Physics
2 answers:
iragen [17]3 years ago
7 0

Answer:

A) Thermal and Radiant

Explanation:

When candle is burnt then the energy that is released in the form of light as well as in the form of thermal energy.

Here the candle is formed by wax which is melted due to due to burning and this will convert the energy present in the form of chemical energy into thermal energy as well as in the form of radiant energy.

Thermal energy will increase the temperature of surrounding air while radiant energy is in the form of light which is an electromagnetic wave.

So correct answer will be

A) Thermal and Radiant

Phantasy [73]3 years ago
4 0
When a candle is burning the candle is releasing thermal and radiant energy
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A roller coaster travels around a vertical 8-m radius loop. Determine the speed at the top of the loop if the normal force exert
strojnjashka [21]

Answer:

v=10m/sec

Explanation:

From the question we are told that

Radius of vertical r= 8m

Force exerted by passengers is 1/4 of weight

Generally the net force acting on top of the roller coaster is give to be

F_N+Fg

where

F_N =forceof the normal

Fg= force due to gravity

Generally the net force is given to be FC(force towards center)

F_C =F_N + Fg

F_N =F_C -Fg

F_N=F_C-F_g

F_N=\frac{mv^2}{R} -mg

Mathematical we can now derive V

m_g + \frac{8m}{4}= \frac{mv^2}{8}

\frac{5mg}{4} =\frac{mv^2}{8}

v^2 =\frac{40*10}{4}

v=10m/sec

Therefore the speed of the roller coaster is given ton be v=10m/sec

5 0
3 years ago
NEED SCIENCE HELP:
Keith_Richards [23]
1) electrons
2) negative
3) negative
4) charge cannot be created or destroyed, just transferred
5)
6) does not allow electrons to move through it
7)plastic
8)conduct the lightning away from the house
9) electrical current


I hope this helps! I know about each of those laws for number 5, however the question didn't give a good description of any of the laws.

Best wishes!
8 0
3 years ago
Read 2 more answers
an object is placed 20cm from a converging lens. If the real image is formed 80cm from the object, what is the focal length of t
masya89 [10]

Explanation:

Here,

object distance(u)=20cm

image distance(v)=80cm-20cm=60cm

focal length(f)=?

we know ,

(1/f)=(1/v)+(1/u)

1/f = 1/60 + 1/20

1/f = (1+3)/60

60 =4f

f=15cm

8 0
2 years ago
Temperature and moisture are key factors in determining where each of the seven occur. A) biomes B) biospheres
Sindrei [870]
It's when each of the seven BIOMES occur 
6 0
3 years ago
An object with a mass of 32 kg has an initial energy of 500 J. At the end of the experiment, the velocity of the object is recor
Nezavi [6.7K]

Explanation:
the concept of conservation of the mechanical nerve
initial
Em₀ = 500 J
The energy is totally kinetic
Em₀ = K = ½ m v₀²
v₀ =
v₀ = √ (2 500/32)
v₀ = 5.59 m / s
v² = v₀² - 2 a x
the negative sign is because its stopping
a =
a = (5.59² - 5.1²) / 2 50
a = 0.0524 m / s²
Newton's second law
F = ma
F = 32 0.0524
F = 1.68 N
3 0
3 years ago
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