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qaws [65]
2 years ago
11

25 miles/hour represents a

Physics
1 answer:
Firlakuza [10]2 years ago
4 0
This would actually represents how the distance expands over the period of time. So, when this shows us that, this person or this thing went 25 miles in 4 hours, this would show us the acceleration of this car and he speed that this car or object would contain.
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A 0.300 kg ball, moving with a speed of 2.5 m/s, has a head-on collision with at 0.600 kg ball initially at rest. Assuming a per
FrozenT [24]

Answer:

1.25 m/s

Explanation:

Given,

Mass of first ball=0.3 kg

Its speed before collision=2.5 m/s

Its speed after collision=2 m/s

Mass of second ball=0.6 kg

Momentum of 1st ball=mass of the ball*velocity

=0.3kg*2.5m/s

=0.75 kg m/s

Momentum of 2nd ball=mass of the ball*velocity

=0.6 kg*velocity of 2nd ball

Since the first ball undergoes head on collision with the second ball,

momentum of first ball=momentum of second ball

0.75 kg m/s=0.6 kg*velocity of 2nd ball

Velocity of 2nd ball=0.75 kg m/s ÷ 0.6 kg

=1.25 m/s

4 0
2 years ago
Select the three correct parts that make up the cell theory.
Lana71 [14]

Answer:

Options A, D and E....make up cell theory

8 0
3 years ago
What types of electromagnetic radiation has a shorter wavelength than ultraviolet?
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4 0
3 years ago
A sled with no initial velocity accelerates at a rate of 3.2 m/s2 down a hill. How long does it take the sled to go 15 m to the
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S = ut + 1/2 at^2
a = 3.2 m/s^2
s = 15m
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30/ 3.2 = 9.38
Square root of 9.38 = 3.06
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8 0
2 years ago
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