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Setler [38]
3 years ago
14

Please help on this one ?

Physics
2 answers:
Gennadij [26K]3 years ago
8 0

Answer:

N/nm

Explanation:

The spring constant is a factor on the proportionality between the force of a spring and its stretched distance. The force is the product of the spring constant, typically measured in Newtons per meter and the distance measured in meters.

The unit N/nm is correct, however, it implies the distance must be expressed in nanometers (billionths of a meter), which is quite unusual.

My name is Ann [436]3 years ago
5 0

force/ectension suggesta A

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Properties of elements within a..........on the periodic table change in a predictable way from one side of the table to the oth
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-Period

Explanation;

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6 0
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Read 3 more answers
A thin rod of length 0.75 m and mass 120 g is suspended freely from one end. It is pulled to one side and then allowed to swing
Snezhnost [94]

Answer:

a) KE = 0.0857Joules

b) height = 0.073m

Explanation:

The rotational inertia of the rod at an axis passing through the fixed end is given by:

I = Icm + my

I= 1/12 mL^2 + m(L/2)

I= 1/12 ×0.12×(0.75)^2 + 0.12× (0.75/2)^2

I = 5.625×10^-3 + 0.01688

I = 0.0225Kg/m^-2

a) KE = 1/2 Iw^2

Where I= rotational inertia

w= angular speed at lowest point

KE = 1/2 × 0.0225 ×(2.76)^2

KE= 0.0857 Joules

b) Ki + Ui = Kf + Uf

Ki = Uf - Ui = 0

mgh = K

0.0857= mgh

h = 0.0857/( 0.120× 9.8)

h = 0.0857/ 1.176

h = 0.073m

6 0
3 years ago
What Current is drawn by a vacuum cleaner from 120 V circuit having a resistance of 28
Ostrovityanka [42]

Answer:

4.3A

Explanation:

V=IR

120=I×28

I=120/28

=4.3

hope this helps

please like and Mark as brainliest

5 0
3 years ago
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