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3 years ago

10

Can i get a snap i could send a link to, to do a few chem 1 assignments i could award more points

1 answer:

Colt1911 [192]3 years ago

4 0

Answer:The FitnessGram PACER Test is a multistage aerobic capacity test that progressively gets more difficult as it continues. The test is used to measure a student's aerobic capacity as part of the FitnessGram assessment. Students run back and forth as many times as they can, each lap signaled by a beep sound.

Explanation:

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An object at a distance of 30 cm from a concave mirror gets its image at the same point. The focal length of the mirror is

Nimfa-mama [501]

The focal length of the mirror is 15 cm

From the question given above, the following data were obtained:

Object distance (u) = 30 cm

Image distance (v) = 30 cm

<h3>Focal length (f) =? </h3>

The focal length of the mirror can be obtained as follow:

$\frac{1}{f} = \frac{1}{v} + \frac{1}{u} \\\\\frac{1}{f} = \frac{1}{30} + \frac{1}{30}\\\\\frac{1}{f} = \frac{2}{30} \\\\\frac{1}{f} = \frac{1}{15} \\\\$

<h3>Invert </h3><h3>f = 15 cm</h3>

Therefore, the focal length of the mirror is 15 cm

Learn more: brainly.com/question/1392083

3 0

3 years ago

Which sequence of group 18 elements demonstrates a gradual decrease in forces of attraction

DanielleElmas [232]

Answer: Xe, Kr, Ar, Ne

Explanation:

Hope i helped please mark brainliest!

8 0

3 years ago

How does the mass of the water compare to the mass of the ice?

snow_lady [41]

The mass of water is the same as the mass of ice

7 0

3 years ago

Read 2 more answers

What is the molarity of a solution in which 0.321 g of calcium chloride is dissolved in 1.45 L water?

lana66690 [7]

Answer:

Molarity = 0.002 M

Explanation:

Given data:

Mass of calcium chloride = 0.321 g

Volume of water = 1.45 L

Molarity of solution = ?

Solution:

Molarity = number of moles / volume in litter.

We will calculate the number of moles of calcium chloride first.

Number of moles = mass/molar mass

Number of moles = 0.321 g/ 110.98 g/mol

Number of moles = 0.003 mol

Molarity:

Molarity = 0.003 mol / 1.45 L

Molarity = 0.002 M

7 0

3 years ago

At what point will potential energy be the highest? The object has a mass of 5 kg

Sloan [31]

Explanation:

Given that,

The mass of the object, m = 5 kg

We need to find the maximum potential energy. When the height of the object is maximum it will have the maximum potential energy.

The attached figure shows that the maximum height is 25 m. The formula for the potential energy is given by :

$P=mgh\\\\P=5\times 9.8\times 25\\\\P=1225\ J$

So, when the height is 25 m, the object will have the highest potential energy.

3 0

3 years ago