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Naily [24]
3 years ago
8

A crack in the Earth's crust

Mathematics
2 answers:
Ainat [17]3 years ago
8 0
Break line







dkfjrnwnwnsndndndndnannakdkfnx akfind a
BlackZzzverrR [31]3 years ago
3 0

Answer:

break line

Step-by-step explanation:

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Determine which fraction is larger 1/6 or 2/7
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2/7 answer left

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5 0
3 years ago
A 0.311 kg tennis racket moving 30.3 m/s east makes an elastic collision with a 0.0570 kg ball moving 19.2 m/s west. Find the ve
max2010maxim [7]

<u>Answer</u>:

The velocity of the tennis racket after the collision 14.966 m/s.

<u>Step-by-step explanation:</u>

An elastic collision is an encounter between two bodies in which the total kinetic energy of the two bodies remains the same.

So, the total kinetic energy before collision = the total kinetic energy after collision.

For the given problem let the following:

m₁ = mass of tennis racket = 0.311 kg

m₂ = mass of the ball = 0.057 kg

u₁ = velocity of tennis racket before collision = 30.3 m/s

u₂ = velocity of the ball before collision = -19.2 m/s

v₁ = velocity of tennis racket after collision

v₂ = velocity of the ball after collision

Right ⇒east  (+) , Left⇒ west (-)

v₁ = [ u₁ * (m₁ - m₂) + u₂ * 2m₂ ]/ (m₁ + m₂)

  = ( 30.3 * (0.311 - 0.057) - 19.2 * 2 * 0.057 ) / ( 0.311 + 0.057)

  = 14.966 m/s.

So, the velocity of the tennis racket after the collision 14.966 m/s.

5 0
3 years ago
-6/7 graph on the number line
avanturin [10]
That would be in the II quadrant
So across to negative 6 and up to 7 is your coordinate
5 0
3 years ago
Given the equation 2x − 5 = 8, which order of operations completely solves for x?
blagie [28]

2x - 5 = 8      Add 5 on both sides

2x - 5 + 5 = 8 + 5

2x = 13          Divide 2 on both sides to get "x" by itself

x = \frac{13}{2}


So addition and division

4 0
3 years ago
Y is directly proportional to x
iVinArrow [24]

Answer:

This is ur ans

Step-by-step explanation:

a.y=5x or x=y/5

b.y=60

y/x=5

y/12=5

y=60

5 0
2 years ago
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