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VladimirAG [237]
4 years ago
9

Select all that apply.

Physics
2 answers:
ICE Princess25 [194]4 years ago
7 0

Explanation:

A graduated cylinder is an apparatus that is used to measure the volume of a liquid.

So, whenever we perform any experiment with liquids then we need to have a graduated cylinder. This is because a graduated cylinder helps in proper or accurate measurement of a liquid.  

While reading the volume of a liquid, we always see the lower meniscus to read the accurate value of its volume.

In a laboratory, it is not only the graduated cylinder with which we can measure the volume because in certain reactions pipette is also used to measure the volume.

Therefore, we can conclude that the TWO true statements from the following are:

  • Graduated cylinders are used to measure volume.
  • Always read a graduated cylinder from the bottom of the meniscus.
Licemer1 [7]4 years ago
5 0
The following statements are correct:
1. Graduated cylinder are used to measure volume.
2. Always read a graduated cylinder from the bottom of the meniscus. 
Graduated cylinders are one of the instruments used to measure liquid substances in the laboratory. The most accurate way of reading measuring cylinder is to record the value at the bottom of the meniscus.
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When running a long distance during the Texas summer which of the following would happen?
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Answer:

Answer choice D!

Explanation:

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3 years ago
A bungee jumper with mass 63.0 kg jumps from a high bridge. After reaching his lowest point, he oscillates up and down, hitting
fomenos

Answer:

80.6 N/m

Explanation:

mass (m) = 63 kg

time (s) = 44 s

number of oscillations (n) = 8

stretched length of the cord (L) =  23 m

we can calculate the spring constant of the cord from the formula below

f =  \frac{1}{2π} x \sqrt{\frac{k}{m} } ...equation 1

where

f = frequency

k = spring constant

m = mass

frequency =\frac{number of oscillation}{time}

frequency =\frac{8}{44} = 0.18

now we can input all the required values into the equation 1

0.18 = \frac{1}{2π} x \sqrt{\frac{k}{63} }

0.18 x 2π = \sqrt{\frac{k}{63} }

1.13 = \sqrt{\frac{k}{63} }

1.13^{2} = \frac{k}{63}

k = 63 x 1.28 = 80.6 N/m

5 0
3 years ago
If a total force exerted by water in a container with a bottom area of 2 square meters is 450 newtons, what's the water pressure
m_a_m_a [10]

its B 0.225kPa using the formula p=f/A then change the pascals into kpa

7 0
3 years ago
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What energy is the energy an object has due to its position relative to another object ?
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Find the slope of the line containing the two points (1,-1) and 7-5,-3). (1 point)
katrin [286]

Answer:

m = \frac{-2}{3}

Explanation:

Given

Points: (1,-1) and (-5,3)

Required

Determine the slope

The slope of a line is represented by m and is calculated as thus;

m = \frac{y_1 - y_2}{x_1 - x_2}

Where

(x_1,y_1) = (1,-1)

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Substitute these values in the given formula

m = \frac{-1 - 3}{1 - (-5)}

m = \frac{-1 - 3}{1 +5}

m = \frac{-4}{6}

Simplify fraction

m = \frac{-2}{3}

Hence, the slope of the line is m = \frac{-2}{3}

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3 years ago
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