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valina [46]
3 years ago
6

When passing a construction zone, you should

Physics
2 answers:
BabaBlast [244]3 years ago
7 0

Answer: B.obey any special signs or instructions as you pass

Explanation:

B.obey any special signs or instructions as you pass is the correct option this is because of the fact that there are always some mandatory instructions written over the construction sites which either restricts the passage of traffic or labels the sign of divergence. This can be considered as convenient and prevents any kind of mishappening like falling cement or any building material from a developing bridge, or vehicular accident due to unstable road.

Agata [3.3K]3 years ago
4 0
B. is your answer because C. worker are gonna be too busy to instruct you.
D. what if their is no other way to get to your location.
A.you don't wanna rush because you might cause harm to someone.
hope this helps :)
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3 years ago
Explain how evidence of energy transformation in fireworks supports the law of conservation of energy.
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3 years ago
A record player turntable initially rotating at 3313 rev/min is braked to a stop at a constant rotational acceleration. The turn
Rus_ich [418]

Answer:

(A) It will take 22 sec to come in rest

(b) Work done for coming in rest will be 0.2131 J              

Explanation:

We have given the player turntable initially rotating at speed of 33\frac{1}{3}rpm=33.333rpm=\frac{2\times 3.14\times 33.333}{60}=3.49rad/sec

Now speed is reduced by 75 %

So final speed \frac{3.49\times 75}{100}=2.6175rad/sec

Time t = 5.5 sec

From first equation of motion we know that '

\alpha =\frac{\omega -\omega _0}{t}=\frac{2.6175-3.49}{4}=-0.158rad/sec^2

(a) Now final velocity \omega =0rad/sec

So time t to come in rest  t=\frac{0-3.49}{-0.158}=22sec

(b) The work done in coming rest is given by

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4 0
3 years ago
A book is launched up along the rough incline. Kinetic energy given to a book at initial point is 100 J. Book comes to stop at s
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Answer:

(A) 60 J

Explanation:

At state 1

KE₁=100 J

At state 2

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Given that surface is rough so friction force will act in opposite to the direction of motion

Lets take work done by friction = Wfr

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Work done by all forces = Change in kinetic energy

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Wfr+80 = 100

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Now when book slides from top position then

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(A) 60 J

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3 years ago
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This is true!!

Good luck hope this helped!
4 0
3 years ago
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