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AleksandrR [38]
3 years ago
11

Please need help on this thank you

Physics
1 answer:
lys-0071 [83]3 years ago
6 0
I am pretty sure it is B....
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Answer:

Explanation:

1- incident ray

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3 years ago
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Solve 1-2 a,b,c please
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B the answer is b in this equation
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Ina shoots a large marble (Marble A, mass: 0.08 kg) at a smaller marble (Marble B, mass: 0.05 kg) that is sitting still. Marble
stich3 [128]

From the calculations, the final momentum of B is 8.16 m/s

<h3>What is conservation of linear momentum?</h3>

According to the principle of the conservation of linear momentum, the momentum before collision is equal to the total momentum after collision.

This implies that;

MaUa + MbUb = MaVa + MaVa

Substituting values;

(0.08 kg * 0.5 m/s) + (0.05 kg * 0 m/s) = (0.08 kg * −0.1 m/s) + (0.05 kg * v)

0.4 = -0.008 + 0.05v

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3 0
2 years ago
A car is brought to rest in a distance of 484m using a constant acceleration of -8.0m/s^2. What was the velocity of the car when
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Answer:

88 m/s

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To solve the problem, we can use the following SUVAT equation:

v^2-u^2=2ad

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u is the initial velocity

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d is the distance covered

For the car in this problem, we have

d = 484 m is the stopping distance

v = 0 is the final velocity

a=-8.0 m/s^2 is the acceleration

Solving for u, we find the initial velocity:

u=\sqrt{v^2-2ad}=\sqrt{-2(8.0)(484)}=88 m/s

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Rubber is a insulator so current cannot pass through it where as metal is a conductor which allows current to pass through it
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