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S_A_V [24]
3 years ago
5

I need help with this

Physics
1 answer:
Vilka [71]3 years ago
3 0

The right answer is atom. Please rate brainiest.

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3. Christina is on her college softball team, and she is practicing swinging the bat. Her coach wants her to work on the speed a
inessss [21]

Answer:

The average angular acceleration is  \alpha =125.487 rad /s^2

Explanation:

From the question we are told that

  From the question we are told that

        The length of the bat is l = 0.85m  \

         The initial linear velocity is  u = 0 m/s

         The time is  t = 0.15s

         The velocity at t is  v = 16 m/s

  Generally average  angular acceleration is mathematically represented as

                \alpha  = \frac{w_f - w_o}{t}

        Where w_f is the finial angular velocity which is mathematically evaluated as  

            w_f = \frac{v}{l}

                  w_f = \frac{16}{0.85}

                        = 18.823 rad/s

 and w_o is the initial angular velocity which is zero since initial linear velocity is zero

               So

                         \alpha  = \frac{18.823 - 0}{0.15}

                               \alpha =125.487 rad /s^2

5 0
3 years ago
PLS HELP FAST!!!!!!!
Elan Coil [88]

Answer:D

Explanation:

6 0
1 year ago
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Which part of an atom is mostly empty space?
Veronika [31]

Answer:

The electron cloud is mostly empty space

7 0
3 years ago
How does light from a headlamp use a lens and a mirror to produce a narrow beam?
Kryger [21]
The headlamp's concave mirror is open on one end, and the light bulb's filament is placed at or near the focus. (Sorry if this is Wrong)
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2 years ago
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Earth recycles water through select all that apply
Natasha2012 [34]

Answer:

evaporation to condensation to precipitation.

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