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ycow [4]
3 years ago
8

An element’s __________ is its row in the periodic table.

Physics
1 answer:
KatRina [158]3 years ago
4 0
An element's <u>Period</u> is it's row in the periodic table.
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What is the speed of light in meters per second?
MAXImum [283]
The answer is approximately 2.998e+8
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3 years ago
A truck is moving around a circular curve at a uniform velocity of 13 m/s. If the centripetal force on the truck is 3,300 N and
Paladinen [302]
Answer: Option B.

Since here the truck is moving on a circular track, it will experience centripetal force.

F(centripetal) = m × acc 
or 
r = \frac{m v^{2}}{F}

where r is the radius of the track. 
m is the mass of truck
v is the speed  of the truck. 
Given: v = <span>13 m/s
m = </span><span>1,600 kg
</span>F = 3300 Newton

To find = radius of track=?
r = \frac{m v^{2} }{F}
r = \frac{1600*13*13}{3300}
r = 81.94 m
Therefore, radius of track is 81.94 m
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According to the diagram shown on the right, how does energy flow in an ecosystem?
liubo4ka [24]
The correct answer would be D
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3 years ago
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Identify the velocity-versus-time plot(s) that correspond to motion under a constant, non-zero acceleration.
ICE Princess25 [194]

Answer:

See explanation

Explanation:

The question is incomplete because the images were not attached but I will try to help you as much as possible.

Constant acceleration implies that the velocity increases uniformly with time.

The graph of constant acceleration is a straight line graph having a slope. The slope of the graph is constant at any point along the straight line.

The image attached shows a velocity-time graph depicting constant acceleration.

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3 years ago
A particle moves so that its position as a function of time in SI units is r = i + (3.0) t2 j + t k. Write expressions for its v
maksim [4K]

Answer:

i - component of V is zero for any value of t  i-e  no motion in this direction

Explanation:

Since

r= i+3t^{2}j+t k

==> V = \frac{d r}{dt}=\frac{d(i+3t^{2}j+kt) }{dt}

=6tj+k

and acceleration is given by taking derivative of velocity w.r.t  t

==> a= \frac{dV}{dt}=\frac{d(6tj+k)}{dt}=6j

so, V=0i+6tj+k

and

a = 0i+6j+k

i - component of V is zero for any value of t  i-e  no motion in this direction

6 0
3 years ago
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