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Rainbow [258]
3 years ago
15

Does anyone know or understand scientific notation?​

Physics
2 answers:
elena55 [62]3 years ago
7 0

Yes ! There are a huge number of people ... many of them right here in this country ... who know AND understand scientific notation. I am one of them !

Nastasia [14]3 years ago
5 0
A scientific notation is a large number for example this number 12.000000000000
You can calculate it as 12x10 to the power of 14
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The coefficent of static friction between the floor of a truck and a box resting on it is 0.38. The truck is traveling at 87.9 k
nekit [7.7K]

Answer:

d=79.9m

Explanation:

From the question we are told that:

coefficient of static friction \mu=0.38

Velocity v=87.9=>24.41667m/s

Generally the equation for Conservation of energy is mathematically given by

 \mu*mgd = 0.5 m v^2

 d=\frac{0.5*24.42^2}{0.38*9.8}

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3 0
3 years ago
for a freely falling object dropped from rest, what is the acceleration at the end of the fifth second of fall?
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4 years ago
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8 0
3 years ago
A watermelon is blown into three pieces by a large firecracker. Two pieces of equal mass m fly away perpendicular to one another
Alenkinab [10]

Answer:

Speed of larger piece is \dfrac{V\sqrt{2}}{3}

Explanation:

We apply the principle of conservation of momentum.

The watermelon is initially at rest. The initial momentum = 0 kg m/s in all directions.

After the collision,

Vertical momentum = momentum of piece in y-direction + y-component of momentum of larger piece = mV + 3mv_{ly}

Here, v_{ly} is the y-component of velocity of larger piece.

This is equal to 0, since the initial momentum is 0.

v_{ly}=\dfrac{V}{3}

Horizontal momentum = momentum of piece in x-direction + x-component of momentum of larger piece = mV + 3mv_{lx}

Here, v_{lx} is the x-component of velocity of larger piece.

This is also equal to 0, since the initial momentum is 0.

v_{lx}=\dfrac{V}{3}

The velocity of the larger piece, v_l, is the resultant of v_{lx} and v_{ly}. Since they are mutually perpendicular,

v_l = \sqrt{v_{ly}^2+v_{lx}^2}= \sqrt{\left(\dfrac{V}{3}\right)^2+\left(\dfrac{V}{3}\right)^2}

v_l = \dfrac{V\sqrt{2}}{3}

3 0
4 years ago
Why does light splits into different colours while passing through a prism​
rjkz [21]

Answer:

it is because the refracting surgaces of the prism are not parallel with each other

8 0
4 years ago
Read 2 more answers
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