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dem82 [27]
3 years ago
6

Screw cannot be driven if there is no force​

Physics
2 answers:
Sedaia [141]3 years ago
8 0

Answer:

Explanation:

trye

Leya [2.2K]3 years ago
6 0

answer..

if this is a true or false question it is true

hope my ans helps

please give brainliest to my answer

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Convert the following as instructed:
Elis [28]
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Explain which planets have seasons and why some planets have none at all.
Sergeu [11.5K]

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Some planets have seasons some don't bc of the distance from the sun some of them are too cold or too hot to have seasons

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what is the position of centre of curvature for concave and convex mirror show with the help of diagram if you can​
Anon25 [30]

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3 years ago
DEFINE the term free fall
PtichkaEL [24]

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Explanation:

4 0
3 years ago
Read 2 more answers
You are standing next to a table and looking down on a record player sitting on the table. Take the spindle (axis of rotation) t
VLD [36.1K]

Answer:

a) the rotational speed of the clay is  3.45 rad/s

b) the value of A in the equation of motion is 0.15 m

c) the value of ϕi is 90° or π/2 rad.

Explanation:

 Given that;

Revolution per minute rpm = 33( 1/3) =  100/3

The frequency f = 100 / 3(60) = 0.55 Hz

a)

Rotational speed W = 2πf

we substitute

W = 2π × 0.55

W = 3.45 rad/s

Therefore, the rotational speed of the clay is  3.45 rad/s

b)

given equation; y(t)=Asin(ωt+ϕi)

given that radius = 0.15 m

y(t)=(0.2)sin(ωt+ϕi)

Therefore, the value of A in the equation of motion is 0.15 m

c)

since y(t) has the maximum value at t =0

so at t=0

y(0) = (0.15)sin(ω(0)+ϕi)

= 0.15sin(ϕi)

this will give maximum value when ϕi = 90°

so

y(0) = (0.15)sin(ω(0)+ϕi)

= 0.15sin(90°)

= 0.15

hence, the value of ϕi is 90° or π/2 rad.

7 0
2 years ago
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