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kirill [66]
3 years ago
12

What do you meant by varnier constant?

Physics
1 answer:
Soloha48 [4]3 years ago
3 0

Answer:

the ratio of the smallest division of main scale to the number of divisions of the vernier scale.

Explanation:

difference between the value of one main scale division and one vernier scale division

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A car traveling with constant speed travels 150 km in 7200 s. What is the speed of the car?
Wewaii [24]
75 km/h is the speed of the car

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3 years ago
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A force of 58 newtons is applied to a crate at an angle of 32° with the horizontal. What is the value of force acting in the y–d
uysha [10]
That should be 58N * sin(32°) = 30.74N 
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4 years ago
A meteorite has a speed of 90.0 m/s when 850 km above the Earth. It is falling vertically (ignore air resistance) and strikes a
Schach [20]

Before it hits the sand bed, the meteorite is accelerating uniformly with g=9.80\dfrac{\rm m}{\mathrm s^2}, so that its speed v satisfies

v^2-{v_0}^2=-2g\Delta y

where v_0=90.0\dfrac{\rm m}{\rm s} is its initial speed and \Delta y=(0-850)\,\mathrm{km}=-850\,\mathrm{km} is its change in altitude. Notice that we're taking the meteorite's starting position in the atmosphere to be the origin, and the downward direction to be negative. Now,

v^2-\left(-90.0\dfrac{\rm m}{\rm s}\right)^2=-2\left(9.80\dfrac{\rm m}{\mathrm s^2}\right)(-850,000\,\mathrm m)\implies\boxed{v=4080\dfrac{\rm m}{\rm s}}

3 0
3 years ago
A generator rotates at 95 Hz in a magnetic field of 0.025 T. It has 550 turns and produces an rms voltage of 170 V and an rms cu
weeeeeb [17]

Answer:

Peak current= 84.86 A

Area of each turn = 0.029 m^2

Explanation:

The peak value of current can be obtained from Irms= 0.707Io. Where Io is the peak current.

Hence;

Irms= 60.0A

Io= Irms/0.707

Io = 60.0/0.707

Io= 84.86 A

Vrms= 0.707Vo

Vo= Vrms/0.707= 170/0.707 = 240.45 V

From;

V0 = NABω

Where;

Vo= peak voltage

N= number of turns

B= magnetic field

A= area of each coil

ω= angular velocity

But ω= 2πf = 2×π×95= 596.9 rads-1

Substituting values;

A= Vo/NBω

A= 240.45/550×0.025×596.9

A= 0.029 m^2

6 0
4 years ago
Plzz answer this correctly
AysviL [449]

Answer:

C and E...................

4 0
3 years ago
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