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3 years ago

The gravitational force between two objects is ______________

Physics

2 answers:

eduard3 years ago

7 0

Answer:

The gravitational force between two objects is directly proportional to the product of the masses of the objects.

Explanation:

Have a great summer :)

ddd [48]3 years ago

4 0

Explanation:

directly

it is directly proportional

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3 years ago

What roles does society,politics and economics play In science ?

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4 years ago

What do the law of superposition and the law of inclusion have in common? (1 point) 1. Both laws are about matching fossils in d

r-ruslan [8.4K]

Answer:

its b

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Explanation:

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3 years ago

A cube-shaped piece of copper has sides of 4cm each and it's density is

iris [78.8K]

Answer:

$64 cm^3$

Explanation:

<u>Density </u>

The density of a substance is the mass per unit volume. The density varies with temperature and pressure.

The formula to calculate the density of a substance of mass (m) and volume (V) is:

$\displaystyle \rho=\frac{m}{V}$

We have a cube-shaped piece of copper of 4 cm of side length. The volume of the piece is:

$V=(4\ cm)^3=64\ cm^3$

Surprisingly, no other magnitude is required, thus the answer is:

$\mathbf{64 cm^3}$

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3 years ago

A package was determined to have a mass of 5.7 kilograms. What's the force of gravity acting on the package on earth?

Arturiano [62]

1.) The force of gravity is what we call weight, we define it as:
w=mg
w=5,7kg*9,8m/s²
w=55,86kg (b)
2.) We know that:
power=W/t
power=50J/20s
power=2,5Watts (a)
3.) The work done is equal to the potential energy, so:
Epg=mgh
Epg=63kg*9,8m/s²*7m
Epg=4321J
Now we get the power:
power=W/t
power=4321J/5s
power=864Watts
Now:
1HP=746Watts
=1,16HP (b)
4.) We know that:
F=ma
350N=m*10m/s²
m=350N/10m/s²
m=35kg (b)
5.) d.) Aceleration is tha rate of change in velocity, either positive (increasing) or negative (decreasing)

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3 years ago

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