3 years ago

How is an objects acceleration affected by its mass and the forces acting on it

1 answer:

3 0

If the force of an object is going against the way the object is going it will move slower. The mass makes the object move slower as well.

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CaHeK987 [17]

Potential energy is the answer

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kolezko [41]

Answer:

Explanation:

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kogti [31]

Answer:

$2.82942\times 10^{24}\ W\m^2$

Explanation:

d = Diameter of spot = 30 μm

r = Radius of spot = $\frac{d}{2}=\frac{30}{2}=15\ mu m$

P = Power of the laser = $2\times 10^{15}\ W$

A = Area = $\pi r^2$

Intensity is given by

$I=\frac{P}{A}\\\Rightarrow I=\frac{2\times 10^{15}}{\pi\times (15\times 10^{-6})^2}\\\Rightarrow I=2.82942\times 10^{24}\ W/m^2$

The light intensity within this spot is $2.82942\times 10^{24}\ W/m^2$

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3 years ago