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3 years ago

7

National Instant Criminal Background Check System is used for a person trying to access a government website.

1 answer:

Paladinen [302]3 years ago

4 0

The given statement "National Instant Criminal Background Check System is used for a person trying to access a government website" is false.

Answer: Option B

<u>Explanation:</u>

The National Instant Criminal Background Check System, additionally referred to as NICS, is meant to spot individuals prohibited underneath federal law from getting firearms from a licence dealer. However, there area unit several loopholes within the system.

This modification higher permits the news of the identities of prohibited individuals to the background check system and could be a important step toward up the public’s safety whereas continued to powerfully shield individuals’ privacy interests.

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What is the speed of sound at sea level?

svetlana [45]

The speed of sound at sea level is 340.29 m/s (meters per seconds).

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15.<br> All of the following parameters are forces except

icang [17]

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Explanation:

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2 years ago

The force applied when using a simple machine

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Answer:

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3 years ago

Read 2 more answers

A helium atom (mass 4.0 u) moving at 598 m/s to the right collides with an oxygen molecule (mass 32 u) moving in the same direct

labwork [276]

Answer:

Speed of the helium after collision = 246 m/s

Explanation:

Given that

Mass of helium ,m₁ = 4 u

u₁=598 m/s

Mass of oxygen ,m₂ = 32 u

u₂ = 401 m/s

v₂ =445 m/s

Given that initially both are moving in the same direction and lets take they are moving in the right direction.

Speed of the helium after collision = v₁

There is no any external force on the masses that is why the linear momentum will be conserve.

Initial linear momentum = Final linear momentum

P = m v

m₁u₁+m₂u₂ = m₁v₁+m₂v₂

598 x 4 + 32 x 401 = 4 x v₁+ 32 x 445

v₁ = 246 m/s

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6 0

2 years ago

If the pitched ball was traveling 77 mph before stanton's bat hit it and 120 mph after his bat hit it, by what amount did the sp

Mice21 [21]

here we will use the concept of Newton's III law

as per Newton's III law the impulse given to the ball is same as the impulse lost by the bat

So here we will say

impulse gain by the ball = impulse lost by the bat

$m_1(v_f - v_i) = m_2(\Delta v)$

given that

$m_1 = 5 ounce$

$m_2 = 32 ounce$

For ball the change in speed will be

$v_f - v_i = (120 - 77)mph$

now from above equation

$5\times (120 - 77) = 32 \times \Delta v$

$\Delta v = 6.72 mph$

so speed of bat will decrease by 6.72 mph

3 0

2 years ago