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3 years ago

Objects such as a cotton ball and a small tomato can occupy similar volumes but vary greatly in ___

2 answers:

n200080 [17]3 years ago

8 0

Objects such as a cotton ball and a small rock or tomato can occupy similar volumes but vary greatly in mass, weight, density, color, cost, hardness, etc.

saveliy_v [14]3 years ago

6 0

The can occupy similar volumes but they vary greatly in DENSITY.

Hope this helps.

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A ___ is the unit of measurement for force.

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Answer:

Newton (N)

Explanation:

A newton is the unit of measurement for force

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3 years ago

During nuclear decay, a new isotope is created. How is the nucleus of the new isotope different from the parent if the parent is

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Answer:

Alpha decay will produce a daughter nucleus with more protons and beta decay will produce a daughter nucleus with fewer protons than the parent nucleus has.

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3 years ago

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n 38 g rifle bullet traveling at 410 m/s buries itself in a 4.2 kg pendulum hanging on a 2.8 m long string, which makes the pend

Kitty [74]

Answer:

68cm

Explanation:

You can solve this problem by using the momentum conservation and energy conservation. By using the conservation of the momentum you get

$p_f=p_i\\mv_1+Mv_2=(m+M)v$

m: mass of the bullet

M: mass of the pendulum

v1: velocity of the bullet = 410m/s

v2: velocity of the pendulum =0m/s

v: velocity of both bullet ad pendulum joint

By replacing you can find v:

$(0.038kg)(410m/s)+0=(0.038kg+4.2kg)v\\\\v=3.67\frac{m}{s}$

this value of v is used as the velocity of the total kinetic energy of the block of pendulum and bullet. This energy equals the potential energy for the maximum height reached by the block:

$E_{fp}=E_{ki}\\\\(m+M)gh=\frac{1}{2}mv^2$

g: 9.8/s^2

h: height

By doing h the subject of the equation and replacing you obtain:

$(0.038kg+4.2kg)(9.8m/s^2)h=\frac{1}{2}(0.038kg+4.2kg)(3.67m/s)^2\\\\h=0.68m$

hence, the heigth is 68cm

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3 years ago

Which phase of cell division is shown?

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Answer:

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3 years ago

Which equation is most likely used to determine the acceleration from a velocity vs:time graph?

tresset_1 [31]

Acceleration, a = (v - u)/t

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This formula on a velocity time graph represents the slope of the graph.

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4 years ago

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