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jenyasd209 [6]
4 years ago
9

Write down formula of power​

Physics
2 answers:
r-ruslan [8.4K]4 years ago
8 0
There u go -> P=f/a
zzz [600]4 years ago
5 0

Answer:

Power is a measure of the amount of work that can be done in a given amount of time. So, the formula is the energy or work divided by time:

P = W ÷ T, where p is power , w is work and t is time.

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2. What value did you calculate for the index of refraction of the acrylic block in Part 2? How does your value compare to the a
lesya [120]

The percentage error in calculated value of the refractive index of acrylic block is calculated using the formula: (true value - calculated value/true value) × 100%.

<h3>What is refractive index of a refracting medium?</h3>

The refractive index of a medium is the ratio of the sine of the angle of incidence on the medium and the sine of the angle of refraction.

  • Refractive index = sin i/sin r

where;

  • i is the angle of incidence
  • r is angle of refraction.

The refractive index of a medium increases with density of the medium.

To determine the percentage error in determining the refractive index of a medium, the following formula is used:

  • Percent error = error/true value × 100%

Therefore, the percentage error in calculated value of the refractive index of acrylic block is the ratio of the error and true value multiplied by 100%.

Learn more about refractive index at: brainly.com/question/83184

8 0
3 years ago
That
Harrizon [31]
Hey can you please help me?
6 0
3 years ago
Based on its location on the periodic table, an element that is not naturally occurring is?​
Scorpion4ik [409]

this is a link to a web sight with a diagram to help you

https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwjw4v7knNDgAhVyUN8KHWgWD-wQjRx6BAgBEAU&url=%2Furl%3Fsa%3Di%26source%3Dimages%26cd%3D%26ved%3D%26url%3Dhttps%253A%252F%252Ffuturism.com%252Fwhere-do-all-the-elements-come-from%26psig%3DAOvVaw19_FOCuWs_nMsyY1YT0Da-%26ust%3D1550955269844922&psig=AOvVaw19_FOCuWs_nMsyY1YT0Da-&ust=1550955269844922

7 0
4 years ago
A thermometer is placed into a flask of water with pieces of ice and reads 273.15. Which temperature scale is being used? A. Kel
zzz [600]

A. Kelvin. It is 32 degrees fahrenheit

6 0
3 years ago
Read 2 more answers
A science teacher tells her class that their final project requires students to measure a specific variable and determine the ve
iogann1982 [59]

Answer:

Yes

Explanation:

The velocity measured by Jennifer and Johnny is

v_m = 34.87 m/s

The actual velocity is

v=34.15 m/s

We can calculate the % error of the students measurement as follows:

Err = \frac{v_m - v}{v}\cdot 100 = \frac{34.87 m/s-34.15 m/s}{34.15 m/s}\cdot 100 =0.021 \cdot 100 = 2.1 \%

Which is lower than the 2.5% maximum error required, so the two students will pass the test.

4 0
3 years ago
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