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Dmitriy789 [7]
3 years ago
14

Under what condition will the results of an experiment based on a hypothesis most likely lead to new experimentation?

Physics
1 answer:
MakcuM [25]3 years ago
7 0
Failed experiments, uncontrolled variables, invalid data, and generalized human error
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N
9966 [12]

Answer: de?

Explanation:

7 0
3 years ago
An ice skater spinning with outstretched arms has an angular speed of 5.0 rad/s . She tucks in her arms, decreasing her moment o
Artyom0805 [142]

Answer:

  K_{f} / K₀ =1.12

Explanation:

This problem must work using the conservation of angular momentum (L), so that the moment is conserved in the system all the forces must be internal and therefore the torque is internal and the moment is conserved.

Initial moment. With arms outstretched

         L₀ = I₀ w₀

the wo value is 5.0 rad / s

final moment. After he shrugs his arms

         L_{f} = I_{f}  w_{f}

indicate that the moment of inertia decreases by 11%

        I_{f} = I₀ - 0.11 I₀ = 0.89 I₀

        L_{f} = L₀

        I_{f} w_{f}  = I₀ w₀

        w_{f} = I₀ /I_{f}    w₀

let's calculate

        w_{f} = I₀ / 0.89 I₀   5.0

        w_{f} = 5.62 rad / s

Having these values ​​we can calculate the change in kinetic energy

         K_{f} / K₀ = ½ I_{f} w_{f}² (½ I₀ w₀²)

         K_{f} / K₀ = 0.89 I₀ / I₀ (5.62 / 5)²

         K_{f} / K₀ =1.12

6 0
3 years ago
Calculate the potential energy of a 6kg bowling ball suspended 3m above the surface of the earth
Valentin [98]

Answer:  176.4 Joules

Explanation: Potential energy of a body is defined as the energy possessed by virtue of position.

Potential energy =m\times g\times h

m = mass of the body = 6 kg

g = acceleration due to gravity = 9.8 ms^{-2}

h = height of body = 3 m

Potential energy =6 kg\times 9.8ms^{-2}\times 3m=176.4kgm^2s^{-2}

= 176.4Joules                 {1kgm^2s^{-2}=1Joule}


8 0
3 years ago
Please Help Me!!!........​
-Dominant- [34]

Answer:

.b

Explanation:

3 0
3 years ago
A number of energy transformations occur when water that is stored behind a dam is changed into electrical energy. For each step
Dmitrij [34]

Answer:

An unknown galaxy has a large flattened core. Which of the following classifications would best fit this galaxy's description?

Irregular

Spiral

Lens

Elliptical

Explanation:

7 0
3 years ago
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