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aksik [14]
3 years ago
5

⦁ If the scientists only performed 1 experiment but it supported their hypothesis, why can it not be considered a theory?

Physics
1 answer:
Lostsunrise [7]3 years ago
7 0
A theory is an experiment that is performed many times and proven. 

This experiment has only been performed once so it doesn't have enough evidence 
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creativ13 [48]
Your answer would be 0.20 Hz
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3 years ago
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An object is moving on a horizontal frictionless surface. if the net force applied to the object in the direction of motion is d
sukhopar [10]

Answer:

doubled

Explanation:

F=ma1----------(1)

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Divide 2nd equation by 1st one

we get a1×2=a2

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2 years ago
MIT’s robot cheetah can jump over obstacles 46. cm high and has speed of 12.0 km/h. a) If the robot launches itself at an angle
labwork [276]

Answer:

(a)  y_{max}=0.423m

(b)  \alpha =64.3^{o}

Explanation:

Given data

v_{i}=12km/h=3.33m/s\\\alpha =60^{o}\\g=9.8m/s^{2}\\Required\\(a)y_{max}\\(b)Angle

Solution

For Part (a)

As the velocity component in direction of y is given by:

v_{yi}=v_{i}Sin\alpha \\v_{yi}=3.33Sin60\\v_{yi}=2.88m/s

The maximum displacement is given by:

v_{yf}^{2}=v_{yi}^{2}-2gy_{max}\\ y_{max}=\frac{(2.88)^{2}}{2(9.8)}\\ y_{max}=0.423m

For Part (b)

To reach y=46cm =0.46m apply:

0=v_{yi}^{2}-2(9.8)(0.46)\\v_{yi}=3m/s\\As\\Sin\alpha =\frac{v_{yi}}{v_{i}}\\\alpha  =Sin^{-1}(\frac{v_{yi}}{v_{i}})\\\alpha =Sin^{-1}(\frac{3}{3.33} )\\\alpha =64.3^{o}

5 0
3 years ago
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<h3>Energy conservation</h3>

The law of energy conservation states that energy can neither be created nor destroyed but can be transformed from one form to another.

<h3>Thermal energy</h3>

This is a form of energy that occurs due to rise in temperature.

The role of thermal energy is to balance the electrical energy lost from the light bulb.

Learn more about conservation of energy here: brainly.com/question/166559

6 0
2 years ago
A concave lens of power -2D is placed in contact with a convex lens of power +1.5D what will be the resultant power
jok3333 [9.3K]

Answer: -0.5 D

Explanation:

The resultant power can be defined as the sum of powers of all the lenses placed in contact together.

P =P₁ + P₂ + P₃ +....

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5 0
3 years ago
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