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saw5 [17]
3 years ago
13

The diagram shows the field lines near the poles, X and Y, of two magnets.

Physics
2 answers:
Igoryamba3 years ago
6 0

The diagram shows the field lines near the poles, X and Y, of two magnets.

Answer

X: north

Y: north

sladkih [1.3K]3 years ago
4 0

Answer:

C

Explanation:

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A football player kicks a ball with an initial velocity of 25 m/s at an angle of 53 degrees above the horizontal. The vertical c
Verdich [7]

Answer:

20 m/s

Explanation:

initial velocity, u= 25m/s

u has two components. one in horizontal and in one vertical.

so,

u sin theta = vertical component.

=> u sin theta = 25× 4/5

= 20 m/s

7 0
3 years ago
A 1 kg ball and a 10 kg ball are dropped from a height of 10 m at the same time. In the absence of air resistance,
RideAnS [48]

Answer:

the two balls will hit the ground at the same time.

Explanation:

The time of dropping, in the following equation, is related to both the distance travel s and the gravitational acceleration g, which are the same for both ball (if we neglect air resistance), no matter what their mass are.

s = gt^2/2

t^2 = 2s/g

So the time it takes to drop 2 balls are the same. They will hit the ground at the same time.

3 0
3 years ago
Chemical energy stored in food cannot be transformed into mechanical energy true or false
Orlov [11]
If that statement were true, then you would never have any reason to eat.
It might taste good for a while, but it would never help you stand up and
move around.

Where WOULD you get the energy to stand up and walk, if it didn't
come from food ? ?

The whole idea is pretty absurd.  I guess the statement is not true.
5 0
3 years ago
A jet starts at rest at the end of a runway and reaches a speed of 80 m/s in 20 s. What is its acceleration?
ahrayia [7]

Answer:

Acceleration=velocity/time.

=80/2=40m/s^2.

4 0
3 years ago
Why is deforestation a serious global environment problem
julia-pushkina [17]

Answer:

we all know that deforestation is when tress are cut down but this may cause cardio dioxide to go up into the atmosphere and this may cause the rise in sea level and temperates tend to fluctuate

Explanation:

I'm just that smart yah dig

5 0
3 years ago
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