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IRINA_888 [86]
3 years ago
13

Complete the sentence below using one of the following

Physics
1 answer:
astra-53 [7]3 years ago
3 0

Answer:

equilibrium

Explanation:

acceleration will remain constant

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4 years ago
A 0.50 kg object is attached to a spring with force constant 157 N/m so that the object is allowed to move on a horizontal frict
Genrish500 [490]

Explanation:

We have,

Mass of an object is 0.5 kg

Force constant of the spring is 157 N/m

The object is released from rest when the spring is compressed 0.19 m.

(A) The force acting on the object is given by :

F = kx

F=157\times 0.19\\\\F=29.83\ N

(B) The force is simply given by :

F = ma

a is acceleration at that instant

a=\dfrac{F}{m}\\\\a=\dfrac{29.83}{0.5}\\\\a=59.66\ m/s^2

6 0
3 years ago
Assertion(A):The distance moved by an object in unit time is called its speed. Reason (R):Faster vehicles have higher speeds. i)
ikadub [295]

Answer:

it's ii) R is correct while A is incorrect

Explanation:

cuz, both statements are correct but the reason is not the correct reason for the assertion,

8 0
3 years ago
A sanding disk with rotational inertia 2.0 x 10-3 kg·m2 is attached to an electric drill whose motor delivers a torque of magnit
Inessa05 [86]

Answer

Given,

Rotational inertia = 2.0 x 10-3 kg·m²

Torque = 11 N.m

time, t = 19 ms

a) Angular momentum

  \tau = \dfrac{\Delta L}{\Delta t}

 L is angular momentum

  \Delta L = \tau \Delta t

  \Delta L = 11\times 19 \times 10^{-3}

  \Delta L = 0.209\ Kg m^2/s

b) Angular velocity

  We know.

     L = I \omega

     \omega = \dfrac{L}{I}

     \omega = \dfrac{0.209}{2\times 10^{-3}}

     \omega = 104.5\ rad/s

4 0
3 years ago
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