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Aleks04 [339]
2 years ago
14

Walking converts what type of energy into mechanical energy

Physics
2 answers:
ASHA 777 [7]2 years ago
8 0
<span>Walking converts "Chemical energy" into "Mechanical energy"

That chemical energy stored in our body as "ATP"

Hope this helps!


</span>
densk [106]2 years ago
4 0
The answer is chemical energy.
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List four functions of the skeletal system.
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3 0
3 years ago
1. What is the relationship between wavelength and the penetrating power of an electromagnetic wave?
Andreyy89

#1

As we know that energy of electromagnetic wave is given by

E = \frac{hc}{\lambda}

so here we know that penetrating power will directly depends on its energy and energy inversely depends on wavelength

So here we can say correct answer will be

C) The penetrating power decreases as the wavelength increases.

#2

Speed of sound is maximum in solids and minimum in gas

so here as ice melts into water the speed of sound must have to decrease

so correct answer will be

D) The speed of sound would decrease because sound travels faster through solids than liquids.

#3

mechanical waves required medium to travel while non mechanical waves do not require any medium to travel

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6 0
3 years ago
A string is wrapped around a pulley with a radius of 2.0 cm. The pulley is initially at rest. A constant force of 50 N is applie
Ray Of Light [21]

Answer:

0.20kg-m^2

Explanation:

Let the linear velocity of the rope(=of pulley) is v m/s

Using kinematic equation

=> v = u + at

=>v = 0 + 4.9a

=>v = 4.9a ------------ eq1

By v^2 = u^2 + 2as

=>v^2 = 0 + 2 x v/4.9 x 1.2

=>4.9v^2 - 2.4v = 0

=>v(4.9v - 2.4) = 0

=>v = 2.4/4.9 = 0.49 m/s

Thus by v = r x omega

=>omega = v/r = 0.49/0.02 = 24.49 rad/sec

BY W = F x s = 50 x 1.2 = 60 J

=>KE(rotational) = W = 1/2 x I x omega^2

=>60 = 1/2 x I x (24.49)^2

=>I = 0.20 kg-m^2

5 0
3 years ago
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