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luda_lava [24]
3 years ago
12

In science what is the requirement of doing work?

Physics
1 answer:
Svetradugi [14.3K]3 years ago
3 0
Do most if not all of it
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Consider a point on a bicycle wheel as the wheel turns about a fixed axis, neither speeding up nor slowing down. Compare the lin
Natalija [7]

Answer:

c. Only the linear acceleration is zero.

Explanation:

The linear acceleration is defined as the rate of change of linear velocity. Since the bicycle is moving in the same direction, with the same speed, without speeding up or slowing down. Therefore, there will be no change in linear velocity and as a result, linear acceleration will be zero.

The angular acceleration is the rate of change of angular velocity. Since the angular velocity is changing its direction constantly. Therefore, it has a certain component of acceleration at all times called centripetal acceleration.

Therefore, the correct option is:

<u>c. Only the linear acceleration is zero.</u>

4 0
3 years ago
The diagram illustrates the movement of sound waves between an observer and a race car. As the race car drives away from the obs
Andrei [34K]
I believe the answer is d
6 0
3 years ago
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Ann [662]

Answer:

true

Explanation:

3 0
3 years ago
A type O star is likely to appear _____. yellow, blue, green or red
Murljashka [212]
A type O star is likely to appear blue. 
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3 years ago
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A sprinter starts from rest and runs with constant acceleration to a top speed of 12m/s in 4.0 seconds.
bagirrra123 [75]

Answer:

  a =  3,0 m/s²

Explanation:

En este ejercicio se pide calcular la aceleracion del cuerpo, usemos las ecuaciones de cinematica en una dimensión.

          v= v₀ + a t

como el corredor parte del reposo si velocidad inicial es cero

           v =  at

           a = v/t

calculemos

          a = 12 /4,0

          a =  3,0 m/s²

4 0
3 years ago
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