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Paladinen [302]
3 years ago
15

Two rubber bullets (each of the same mass) are fired at the same velocity towards two different blocks of equal mass. One block

is made of clay and the bullet gets stuck in it, the clay block bullet begins to move in the direction the bullet was fired. The other block is made of aluminum and the bullet bounces off the block, the aluminum block also begins to move in the direction the bullet was fired. Which block (clay or aluminum) will move with greater velocity after being struck by the bullet
Physics
1 answer:
tiny-mole [99]3 years ago
7 0

Answer:

Aluminum board will move with a higher velocity

Explanation:

The velocity of the block will be higher when the impulse imparted by the bullet is higher.

In case of bullet bouncing off, the impulse imparted on the aluminum board is high and hence, it will move with a high velocity as compared to that of the clay board.

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Miles is camping in Glacier National Park. In the midst of a glacier canyon,
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Answer:

t=1.623 sec

Explanation:

The distance traveled before the echo is had is:

distance=2d, d=280\ m\\\\=280\times 2\\\\=560 \ m

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A beam of light passes through a liquid into air. Angle 1, angle of
Ede4ka [16]

Answer: 1.57

Explanation:

This described situation is known as Refraction, a phenomenon in which light bends or changes its direction when passing through a medium with a index of refraction different from the other medium.  

In this context, the index of refraction is a number that describes how fast light propagates through a medium or material.  

According to Snell’s Law:  

n_{1}sin(\theta_{1})=n_{2}sin(\theta_{2}) (1)  

Where:  

n_{1} is the first medium index of refraction (the value we want to know)

n_{2}=1 is the second medium index of refraction (air)  

\theta_{1}=23\° is the angle of incidence

\theta_{2}=38\° is the angle of refraction

Now, let's find n_{1} from (1):

n_{1}=n_{2}\frac{sin \theta_{2}}{sin \theta_{1}} (2)  

Substituting the known values:

n_{1}=1\frac{sin(38\°)}{sin(23\°)}  

Finally:

n_{1}=1.57  

3 0
3 years ago
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