3 years ago

What is the definition of distance?

Physics

1 answer:

AnnyKZ [126]3 years ago

8 0

An amount of space beteeen 2 things or people

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The block slides on a horizontal frictionless surface. The block has a mass of 1.0kg and is pushed 5.0N at 45°. What is the magn

Firlakuza [10]

Answer:

$3.5\:\mathrm{m/s^2}$

Explanation:

Newton's 2nd law is given as $\Sigma F = ma$ .

To find the acceleration in the horizontal direction, you need the horizontal component of the force being applied.

Using trigonometry to find the horizontal component of the force:

$\cos 45^{\circ}=\frac{x}{5},\\\frac{\sqrt{2}}{{2}}=\frac{x}{5},\\x=\frac{5\sqrt{2}}{2}$

Use this horizontal component of the force to solve for for the acceleration of the object:

$\frac{5\sqrt{2}}{2}=1.0\cdot a,\\a=\frac{5\sqrt{2}}{2}\approx \boxed{3.5\:\mathrm{m/s^2}}$

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2 years ago

3- For given three vectors a, b and c, c = a x b, then the vector c is:

o-na [289]

Answer:

Explanation:

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3 years ago

Calculate the monentun pf 75 kg bicycle and boy who has ghe velocitg of 3m/s

Grace [21]

Explanation:

n=75 kg

v=3m/s

m=n×v

m=75x3

m= 225n

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3 years ago

Laura leaves her house to go to the mall to pick out a gift for her grandma. On her way back home she stopped to grab some coffe

poizon [28]

Displacement is zero. That’s because she ended up where she started.

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3 years ago

What do we mean by primitive material? How can we tell if a meteorite is primitive?

zimovet [89]

Answer:

Primitive material was formed in the early stage of the solar system, before planets cooled off enough to differentiate elements of different density. It was not subject to great heat or pressure after it formed.

We can identify primitive meteorites by their composition, primitive meteorites are usually undifferentiated stones, with some metallic grains mixed in. Some primitive meteorites are darker, carbonaceous stones.

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3 years ago