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DaniilM [7]
3 years ago
8

How do earthworms get food?

Physics
1 answer:
IRINA_888 [86]3 years ago
8 0
They surface at night to eat leaves off the ground.
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A pulley has a mechanical advantage of 1.
sertanlavr [38]

Answer:

There is no mechanical advantage

Explanation:

The mechanical advantage is possible only when the force needed to lift a load is lesser than the weight of the load.

For example, is we have a mechanical advantage of 2, the force needed to lift will be 1/2 of the weight of the load, and if we have a mechanical advantage of 4, the force needed will be 1/4 of the weight of the load.

In the attached image there are clear examples of mechanical advantage with pulleys.

7 0
3 years ago
Complete the sentence :
Degger [83]

Answer:

a) is equal to

b) magnitude

6 0
3 years ago
Which of the following actions will induce an emf in a conductor?
ANEK [815]

Answer:

b . Move the conductor near a magnet

5 0
3 years ago
Read 2 more answers
B)
Vlad1618 [11]

Answer:

a) 16m/s b) 192m

Explanation:

v1=32m/s a=-2m/s^2 t=8s v2=? d=??

a) I will use this equation v2= v1 + a*t

v2= 32m/s + -2m/s^2 * 8s

v2= 32m/s + -16m/s

v2= 16m/s

b) v2^2=v1^2 + 2ad

rearranging

v2^2-v1^2=2ad

v2^2-v1^2/2= a d

v2^2-v1^2/2a=d

16m/s^2 - 32m/s^2/ 2 x-2m/s^2 =d

d=192m

5 0
3 years ago
The resolving power of electron microscopes is much better than the resolving power of light microscopes because the wavelength
Misha Larkins [42]

Answer:

because the wavelength of electron beams is much shorter than the wavelength of visible light

6 0
4 years ago
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