4 years ago

Metals experience plastic deformation when _____.

Physics

1 answer:

SOVA2 [1]4 years ago

3 0

THE FORCE IS REMOVED BUT THE BODY DOES NOT RETURN TO ITS' ORIGINAL SHAPE (ALSO CALLED PERMANENT DEFORMATION)

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Spheres are not perfect in space. But <> is in the cause of their shape.

MariettaO [177]

Answer:

$\boxed { \tt{gravitational \: pull(force)}}$

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3 years ago

a pennyfarthing is a style of a bicycle with a very large front wheel and a small real wheel, the cyclist who sit high above and

s344n2d4d5 [400]

Answer:

In one rotation, the large wheel turns 4m.

Explanation:

The given values are:

Input distance,

= 0.64 m

Mechanical advantage,

= 0.16

As we know,

⇒ $Out. \ Distance = \frac{Inp. \ distance}{Mechanical \ advantage}$

On putting the values, we get

⇒ $=\frac{0.64}{0.16}$

⇒ $=4 \ m$

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3 years ago

According to Newton, there were two things needed for an object to fall around or orbit the earth. Label the diagram below with

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Centripetal force and centrifugal force

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3 years ago

The final stages of a star's life depend on its mas. true or false?

Diano4ka-milaya [45]

Answer:

TRUE

Explanation:

Low mass stars last lots longer.

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3 years ago

A cheetah can run at a maximum speed 103 km/h and a gazelle can run at a maximum speed of 76.5 km/h. If both animals are running

Katena32 [7]

Answer:

$t_a = 13.49 \ s$

The distance is $D = 55.2 \ m$

Explanation:

From the question we are told that

The maximum speed of the cheetah is $v = 103 \ km/h = 28.61 \ m/s$

The maximum of gazelle is $u = 76.5 \ km/h = 21.25 \ m/s$

The distance ahead is $d = 99.3 \ m$

Let $t_a$ denote the time which the cheetah catches the gazelle

Gnerally the equation representing the distance the cheetah needs to move in order to catch the gazelle is

$v* t_a = d + u* t_a$

=> $28.61 t_a = 99.3 + 21.25t_a$

=> $7.36 t_a = 99.3$

=> $t_a = 13.49 \ s$

Now at t = 7.5 s

$7.5 v = D+ 7.5u$

=> $28.61 * 7.5 = D + 21.25* 7.5$

=> $7.36 * 7.5 =D$

=> $D = 55.2 \ m$

Hence the for the gazelle to escape the cheetah it must be 55.2 m

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3 years ago