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sasho [114]
3 years ago
10

A mass of 25kg is moving and is stopped in 1.2 seconds with an acceleration of 1.0 m/s squared what is the force on the mass?

Physics
1 answer:
Phantasy [73]3 years ago
6 0
F=ma therefore 25kg*1.0m/s^2=25N force on the mass
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A grindstone increases in angular speed from 4.00 rad/s to 12.00rad/s in 4.00 s. Through what angle does it turn during that tim
Talja [164]

Through what angle does it turn during that time interval if the angular acceleration is constant: 32.0rad.

<h3>What is angular acceleration?</h3>
  • Angular acceleration is the term used to describe the temporal pace at which angular velocity varies. Radians per second is the accepted unit of measurement. Consequently, = d d t. Angular acceleration is also known as rotational acceleration.

  • Angular acceleration can be calculated by dividing the angular velocity by the acceleration duration. (t). Use pi instead, or the drive speed (n) divided by the acceleration time (t) multiplied by 30. The usual SI unit for the rotational acceleration that results from this equation is radians per second squared (Rad/sec2).

Through what angle does it turn during that time interval if the angular acceleration is constant:

v(initial) = 4rad/s

v(final) = 12

t = 4 sec

a = ?

v(final) = v(initial) + at

12 = 4 + a(4)

a = 2 rad/sec2

s = ?

v(initial) = 4rad/s

v(final) = 12

a = 2rad/sec2

v(final)^2 = v(initial)^2 + 2as

12^2 = 4^2 + 2(2)(s)

144 = 16 + 4s

s = 32 rads

d) 32.0rad.

To learn more about angular acceleration, refer to:

brainly.com/question/20912191

#SPJ4

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The scale on the horizontal line axis is 5s per division on the vertical axis 9 m per division
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Questions deserve answers in their common format.

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Microwave ovens emit waves of about 2450 MHz. What is the wavelength of this light?
Vedmedyk [2.9K]
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The mutual forces of gravity between the Earth and an object on or near
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about 10.12 pounds.)

The acceleration of gravity on Earth is about  9.8 meters per second² .

So    45N = (mass in kilograms) x (9.8 meters per second²)

Divide each side by  9.8 :      Mass = 45/9.8 = <u>4.59 kilograms</u>  (rounded)



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