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Cloud [144]
2 years ago
15

Science is cool but not for me plz join so you can help me

Physics
2 answers:
JulsSmile [24]2 years ago
7 0

Answer:ok

Explanation:

inn [45]2 years ago
5 0

Answer:

ok join me h t  t ps://me  et.g oogle.co  /vjx-vonb-gas for pswordyy

Explanation:

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3 years ago
A 20 kilogram ball rolls down a 10 meter ramp at the rate of 15 meters per second. The kinetic energy is joules
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Answer:2250J

Explanation:

mass(m)=20kg

velocity(v)=15m/s

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3 years ago
Why do we use the name electromagnetism to describe the force of an
ElenaW [278]

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The amount of work done against friction to slide a box in a straight line across a uniform, horizontal floor depends most on th
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3 years ago
Read 2 more answers
Is it possible to have a net torque when all of the forces sum to zero? Explain.
nexus9112 [7]

Answer:

Yes it is possible

Explanation:

When two equal magnitude forces are acting on the rod in opposite direction

Then the net force on the system is always zero in that case

so we will have

F - F = 0

now for the system net torque due to these forces is given by

\tau = F(r_1) + F(r_2)

here we know that

r_1, r_2 = distance of the forces from reference about which torque is measured

so here we can say that net force is zero on the system while torque is not zero

in all such case object will rotate about a fixed position with change angular speed

3 0
3 years ago
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