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Evgen [1.6K]
3 years ago
12

The image formed by a plane mirror is _____.

Physics
1 answer:
Thepotemich [5.8K]3 years ago
4 0
The image formed by a plane mirror is virtual, upright and the same size with the actual object. The upright image of an object in a plane mirror is can be found on the other side of the mirror which is why it is also virtual. 
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atoms are the principle constituent of ______ A. all matter b. only solids liquids and gases c. all subatomic particles d. only
Soloha48 [4]
I think it is a. all matter

6 0
3 years ago
2 objects have a total momentum of 400kg m/s, they collide. Object A’s mass is5kg & object B’s mass is 11kg. After the colli
ss7ja [257]

Answer:

Explanation:

We shall apply law of conservation of momentum .

Momentum before collision = momentum after collision .

Momentum before collision = 400 kg m/s

Momentum after collision = 5  x v + 11 x 15

where v is velocity of A after the collision .

5  x v + 11 x 15 = 400

5 v = 400 - 165

5v = 235

v = 47 m /s .

3 0
3 years ago
Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He decides to move them at the
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Answer:

Part a)

a= 0.32 m/s^2

Part b)

F_c = 3.6 N

Part c)

F_c = 5.5 N

Explanation:

Part a)

As we know that the friction force on two boxes is given as

F_f = \mu m_a g + \mu m_b g

F_f = 0.02(10.6 + 7)9.81

F_f = 3.45 N

Now we know by Newton's II law

F_{net} = ma

so we have

F_p - F_f = (m_a + m_b) a

9.1 - 3.45 = (10.6 + 7) a

a = \frac{5.65}{17.6}

a= 0.32 m/s^2

Part b)

For block B we know that net force on it will push it forward with same acceleration so we have

F_c - F_f = m_b a

F_c = \mu m_b g + m_b a

F_c = 0.02(7)(9.8) + 7(0.32)

F_c = 3.6 N

Part c)

If Alex push from other side then also the acceleration will be same

So for box B we can say that Net force is given as

F_p - F_f - F_c = m_b a

9.1 - 0.02(7)(9.8) - F_c = 7(0.32)

F_c = 9.1 - 0.02 (7)(9.8) - 7(0.32)

F_c = 5.5 N

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3 years ago
On Jupiter a rover drops a ball down a 430 m high cliff and records a fall time of 24.5 sec. what is the gravitational accelerat
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17.6 meters/ second squared
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Because global temperatures are , some species are seeking out elevations in the Himalayas to colonize. Scientists were worried
Umnica [9.8K]

Answer:

If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%

Explanation:

If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

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80%If 40 is increased to 56, what is the percent of change?

40%

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80%If 40 is increased to 56, what is the percent of change?

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80%If 40 is increased to 56, what is the percent of change?

40%

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29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

29%

80%If 40 is increased to 56, what is the percent of change?

40%

71%

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80%If 40 is increased to 56, what is the percent of change?

40%

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80%If 40 is increased to 56, what is the percent of change?

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80%If 40 is increased to 56, what is the percent of change?

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71%

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80%If 40 is increased to 56, what is the percent of change?

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71%

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80%If 40 is increased to 56, what is the percent of change?

40%

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8 0
3 years ago
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