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abruzzese [7]
3 years ago
5

The ___ force is the sum of all the forces that act up upon an object

Physics
2 answers:
Elan Coil [88]3 years ago
4 0

The NET force is the sum of all the forces that act up upon an object

LiRa [457]3 years ago
3 0

Answer:

The net force is the sum of all the forces that act up upon an object

hope it helped :)

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The speed of a certain electron is 995 km s−1 . If the uncertainty in its momentum is to be reduced to 0.0010 per cent, what unc
Tpy6a [65]

Answer:

The uncertainty in the location that must be tolerated is 1.163 * 10^{-5} m

Explanation:

From the uncertainty Principle,

Δ_{y} Δ_{p} = \frac{h}{2\pi }

The momentum P_{y} = (mass of electron)(speed of electron)

                                = (9.109 * 10^{-31}kg)(995 * 10^{3} m/s)

                                = 9.0638 * 10^{-25}kgm/s

If the uncertainty is reduced to a 0.0010%, then momentum

                              = 9.068 * 10^{-30}kgm/s

Thus the uncertainty in the position would be:

                              Δ_{y} = \frac{h}{2\pi } * \frac{1}{9.068 * 10^{-30} }

                              Δ_{y} \geq  1.163 * 10^{-5}m

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3 years ago
Which is a way that biotechnology has not helped society
nata0808 [166]
I would select answer C
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How do your shoe laces relate to a pulley
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The same can be applied to a pulley; If you have the proper set up Pulling one string causes two actions; the first being the most obvious. And the second being its effect. The Grommets of your shoe are the pulley's; while your Shoelaces are just the rope with which you operate the pulley.
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1. Molly carries a 30 kg bag of feed up a ramp which has a base of 4 m and a height of 2 meters. How
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it is b. 588 Nm

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