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3 years ago

Explain some similarities and differences between: Magnetism and gravity.

Physics

2 answers:

AlekseyPX3 years ago

7 0

Answer:

Gravity attracts thing towards iself and magnet attracts mettalic things towards it self..

The force of gravity is equal everywhere but in magnets force of attraction is most near poles.

Gravity attracts everything towards it self but magnet only attracts mettalic objects.

Magnet could be temporarily made by passing electricity in any soft iron but gravity is natural can't be made..

svlad2 [7]3 years ago

4 0

Answer:

Gravity always attracts. Magnetism either attracts or repel. Gravity reacts to mass or space. Magnetism reacts to motion

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During which lunar phase is the moon s far side entirely dark?

bearhunter [10]

The lunar phase in which the moon's far side (the side that does not get any sunlight) is entirely dark is during a full moon. Since the side that faces the Earth is fully illuminated, the other side would be the exact opposite.

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4 years ago

7. Navy use SONAR method to locate the position of submarine under water. The waves used in SONAR are A transverse waves. B elec

pshichka [43]

Answer:

A. transverse waves

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3 years ago

Read 2 more answers

Using a radar gun, you emit radar waves at a frequency of 6.2 GHz that bounce off of a moving tennis ball and recombine with the

Keith_Richards [23]

Answer:

23.4 m/s

Explanation:

f = actual frequency of the wave = 6.2 x 10⁹ Hz

$f_{app}$ = frequency observed as the ball approach the radar

$f_{rec}$ = frequency observed as the ball recede away from the radar

V = speed of light

$v$ = speed of ball

B = beat frequency = 969 Hz

frequency observed as the ball approach the radar is given as

$f_{app}=\frac{f(V+v)}{V}$ eq-1

frequency observed as the ball recede the radar is given as

$f_{rec}=\frac{f(V-v)}{V}$ eq-2

Beat frequency is given as

$B = f_{app} - f_{rec}$

Using eq-2 and eq-1

$B = \frac{f(V+v)}{V}- \frac{f(V-v)}{V}$

inserting the values

$969 = \frac{(6.2\times 10^{9})((3\times 10^{8})+v)}{(3\times 10^{8})}- \frac{(6.2\times 10^{9})((3\times 10^{8})-v)}{(3\times 10^{8})}$

$v$ = 23.4 m/s

8 0

3 years ago

A ball rolls off a level table with a speed of 2.2 m/s. The table is 1.2 meters high. How far away from the base of the table do

r-ruslan [8.4K]

The base of table is "1.08856 m" far away from the ball land.

Given:

Distance travelled by ball,

S = 1.2 m

Initial velocity,

u = 0 m/s

Acceleration,

a = 9.8 m/s²

Constant speed,

2.2 m/s

As we know the formula,

→ $S = ut+\frac{1}{2}at^2$

By substituting the values, we get

→ $1.2=\frac{1}{2}\times 9.8t^2$

→ $1.2 = 4.9 t^2$

→ $t = \sqrt{\frac{1.2}{4.9} }$

→ $= 0.4948 \ seconds$

Let,

Horizontal distance will be "x".
Time = t

→ $x = 2.2\times t$

$= 2.2\times 0.4948$

$= 1.08856 \ m$

Thus the solution above is right.

Learn more:

brainly.com/question/19170664

8 0

3 years ago

A radio station's channel, such as 100.7 fm or 92.3 fm, is actually its frequency in megahertz (mhz), where 1mhz=106hz. calculat

lakkis [162]

When it comes to wave behavior, there are parameters called wavelength and frequency. These two are related by speed of the radiowave. Radiowaves are electromagnetic waves which travels as fast as light. The wavelength is the distance while frequency is the reciprocal of time. When you multiply them both, you get the electromagnetic wave's speed. The equation is c = wavelength*frequency, where c is the speed of light equal to 3 x 10^8 m/s.

3 x10^8 m/s = wavelength/104.9 x 10^6 Hz (Hertz is 1/s)
wavelength = 2.86 meters

6 0

3 years ago