3 years ago

Wolrd-class skiers use, rather than fight, the force of gravity to carve the most efficient path down a slope

Physics

2 answers:

Rudik [331]3 years ago

4 0

I think it is true I think

N76 [4]3 years ago

3 0

Answer:

this statement is true

Explanation:

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Which mineral is also an element graphite courts calcite hematite

lyudmila [28]

Answer:

look in lesson brainly can some time be wrong

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3 years ago

An object has a position given by r = [2.0 m + (5.00 m/s)t] i^ + [3.0m−(2.00 m/s2)t2] j^, where all quantities are in SI units.

makkiz [27]

Answer:

Acceleration of the object is $4\ m/s^2$ .

Explanation:

It is given that, the position of the object is given by :

$r=[2\ m+(5\ m/s)t]i+[3\ m-(2\ m/s^2)t^2]j$

Velocity of the object, $v=\dfrac{dr}{dt}$

Acceleration of the object is given by :

$a=\dfrac{d^2r}{dt^2}$

$a=\dfrac{d^2}{dt^2}([2\ m+(5\ m/s)t]i+[3\ m-(2\ m/s^2)t^2]j)$

Using the property of differentiation, we get :

$a=\dfrac{d^2r}{dt^2}=-4\ m/s^2$

So, the magnitude of the acceleration of the object at time t = 2.00 s is $4\ m/s^2$ . Hence, this is the required solution.

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3 years ago

Which statement best summarizes the central idea of "Applications of Newton's Law

blondinia [14]

It should be the first one

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3 years ago

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Example 7.3

marysya [2.9K]

Answer:

hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello

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3 years ago

What is the name of the protein did the human use to create dogs?

Margaret [11]

Humans did not create dogs.

Humans have never created any new living species.

So far, the only one who can do that is You Know Who.

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3 years ago