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3 years ago

15

What is the difference between three types of mechanical waves?

2 answers:

Amanda [17]3 years ago

8 0

<u>Answer:</u>

There are three kinds of mechanical waves depending upon the direction in which they travel or propagate through the medium.

(i) Longitudinal waves

(ii) Transverse waves

(iii) Surface waves

In transverse waves, the particles tend to move in a direction at right angles to the waves whereas in longitudinal waves, they move in parallel direction to each other. When it comes to surface waves they lie in circular motion.

Marta_Voda [28]3 years ago

5 0

Answer:

In longitudinal waves, particles travel in the direction parallel to that of the wave motion where as in transverse waves, particles move perpendicular to the direction of the wave motion and in surface waves, particles in the medium move in a circular motion.A good example of longitudinal waves is sound waves. Vibrating a string on the ground can serve as an example of transverse wave.For surface waves, the ocean waves travelling on the surface can illustrate the cicular movement of particles in the water.

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Sean pushes a box with a force of 100 N. Christian pushes an identical box with a force of

kap26 [50]

Answer:

Christian

Explanation:

Given that

Force applied by Sean ,F₁=100 N

Force applied by Christian ,F₂=200 N

Lets take mass of the box = m kg

As we know that from second law of Newton's

F= m a

F=Force,m=mass ,a=acceleration

$F_1=ma_1$

$100=m\times a_1$

$a_1=\dfrac{100}{m}\ m/s^2$

$F_2=ma_2$

$200=m\times a_2$

$a_2=\dfrac{200}{m}\ m/s^2$

From the above we can say that acceleration a₂ is greater than a₁ is for the same mass of the box.

Therefore Christian will acceleration more for the box.

5 0

3 years ago

PLEASE ANSWER ASAP!!

liq [111]

As we know that magnetic field strength due to solenoid is given by

$B = \frac{\mu_0 N i}{L}$

here we know that

$\mu_0$ = permeability of air medium

N = number of turns

L = length of solenoid

i = electric current

Now as we enter the iron rod into the solenoid the medium will get change that will increase the permeability

so with the iron rod we will have

$B = \frac{\mu_0 \mu_r N i}{L}$

so correct answer will be

<u>It increases the magnetic field’s strength. </u>

8 0

2 years ago

Read 2 more answers

A ball is thrown horizontally from the top of a building at 2 m/s. It takes 3 seconds to reach the ground. How far did the ball

svlad2 [7]

Every second it travels 2 meters and it traveled 3 so (2 x 3) would be 6meters it traveled

4 0

3 years ago

<img src="https://tex.z-dn.net/?f=If%20%20%5C%3A%20the%20%5C%3A%20%20speed%20%5C%3A%20of%20%5C%3A%20a%20%5C%3A%20car%20%5C%3A%20

nadezda [96]

Answer:

72 km/h

Explanation:

Speed of car = 20m/s

So, here to find the speed in km/h we will change the metre to km and seconds to hours .

=>

$\frac{20}{1000} \div \frac{1}{3600}$

= 72 km/hr

to change into km divide by 1000

(1 m = 1/1000km)

and,

to change into hours divide by 60*60= 3600

help kiya kya?

7 0

3 years ago

Read 2 more answers

14. measuring cylinder containing some water stands on a scale pan. A solid ball is lowered into the water. The water level rise

Basile [38]

Answer:

Let d be the density of fluid.

So , Initial reading of balance, F1 =30dg N

After the level reaches 50cm^3

Final reading of balance , F2 =50dg N

Given that difference between final and initial reading is 30g

i.e, F2 −F1

=30 g

⟹50dg−30dg=30g

⟹20dg=30g

⟹d=30g/20g

⟹d=1.5g/cm^3

So, density of fluid is 1.5g/cm^3

8 0

3 years ago