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Whitepunk [10]
4 years ago
13

Which objects will most likely float

Chemistry
1 answer:
storchak [24]4 years ago
6 0
Sponges, apples, light weight balls, etc.
they’re less dense than water
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Calculate the wavelength of a football (425g) thrown by an NFL quarterback traveling at 50mph
AnnyKZ [126]

Wavelength is 6.976 x 10^ -35 m

Explanation:

In this, we can use De Broglie’s equation. This equation is the relationship between De Broglie’s wavelength, velocity and the mass of a moving object. In this equation, we are using plank's constant which is 6.626 x 10^-34 m^2 kg/s.

We know that one mile per hour is equivalent to 0.447 M/S.

And One gram is equivalent to 10^-3 kg.

De Broglie’s wavelength = λ ( wave length) = Plank’s constant/ Mass x velocity

λ ( wave length) = 6.626 x 10^ -34/ (425 x10^-3) x ( 50 x 0.447)

                                 = 6.626 x 10^ -34/ 0. 425 x 22.35

                                 = 6.626 x 10^ -34/ 9.498

                                 = 6.976 x10^ -35 m

So, the wavelength of the football will be 6.976 x 10^ -35 m

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3 years ago
What is true of all body except sex cells
Evgesh-ka [11]
They can all by seperrated or replicated.

4 0
3 years ago
Elements in which the d-sublevel is being filled have the properties of
Nadya [2.5K]

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Elements in which the d-sublevel is being filled have the properties of metals

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What is erosion? what are the four agents of erosion​
Savatey [412]

Answer:

Erosion is the transportation of sediment at the Earth's surface. 4 agents move sediment: Water, Wind, Glaciers, and Mass Wasting (gravity).

Explanation:

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3 years ago
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Nonamiya [84]

Answer:

1.7 mL

Explanation:

start with formula M1V1=M2V2

then plug in values (3)V1=(100)(.05) and solve for V1

V1= 1.66

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3 years ago
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