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aleksandrvk [35]
3 years ago
13

235,2U + ton - 9236Kr + 14156Ba

Physics
1 answer:
lakkis [162]3 years ago
7 0

Answer:

D

Explanation:

D) When uranium-235 is split, three neutrons and a large amount of energy are released.

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If a girl is running along a straight road with a uniform velocity 1.5 m/s, find her
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Answer:

Explanation:

The definition of acceleration is the change in velocity over a period of time. If the girl's velocity is constant, that means it's not changing. Therefore, acceleration is 0 m/s/s

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The following time dependent force is applied to a 2 kg block that is initially at rest on a frictionless and horizontal surface
DerKrebs [107]

Answer:

The displacement of the block is 9 m.

Explanation:

Given that,

Mass of block = 2 kg

Time = 3 sec

The force is

F(t)=4t

The acceleration is

a=\dfrac{F}{m}

Put the value into the formula

a=\dfrac{4t}{2}

a=2t

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v=\int_{0}^{t}{a dt}

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v=\int_{0}^{3}(2t dt)

v=(\dfrac{2t^2}{2})_{0}^{3}

v=(t^2)_{0}^{3}

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s=\int_{0}^{3}(v dt)

s=(t^2)_{0}^{3}

s=(\dfrac{t^3}{3})_{0}^{3}

s=9\ m/s

Hence, The displacement of the block is 9 m.

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Two students stand poised to leap off a high dive structure into the swimming pool below. Student B is twice as massive as stude
iogann1982 [59]

Answer: option (D)

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