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3 years ago

A force acts on a 5kg object at rest. How fast will the object accelerate on a frictionless surface?

Physics

1 answer:

MakcuM [25]3 years ago

8 0

Answer: The answer is C.) 25 m/s^2.

Explanation: If you input 5 as s, you would have to use the exponent 2. This means that you have to multiply 5 by 5. 5 x 5= 25.

Edit: Also, because the surface is frictionless, it will make the object go faster too. Nothing can really slow it down unless something blocks it.

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As galáxias são maiores do que os enxames de estrelas?

GuDViN [60]

$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Responder \;\;a}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

As galáxias são geralmente maiores do que os aglomerados de estrelas. Como disse Geller ~ As galáxias são como as cidades em que vivem os aglomerados de estrelas. As galáxias podem ter cerca de milhares ou mais aglomerados de estrelas ~

I hope it helps ~

8 0

3 years ago

What is the mass of a skier if they are applying a force of 500N and they are accelerating at 20m/s2?

Brrunno [24]

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We know that,

$force = mass \times acceleration$

$500 = m \times 20$

$m = \dfrac{500}{20}$

$m = 25$

Mass of skier is <u>25</u> kg

3 0

3 years ago

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Mashutka [201]

Answer:

whichever teacher gave you this question is a legend

Explanation:

8 0

3 years ago

Argon in the amount of 1.5 kg fills a 0.04-m3 piston cylinder device at 550 kPa. The piston is now moved by changing the weights

Arlecino [84]

Answer:

275 kPa

Explanation:

mass of the gas=m=1.5 kg

initial volume if the gas=V₁=0.04 m³

initial pressure of the gas= P₁=550 kPa

as the condition is given final volume is double the initial volume

V₂=final volume

V₂=2 V₁

As the temperature is constant

T₁=T₂=T

$\frac{P1V1}{T1}$ = $\frac{P2 V2}{T2}$

putting the values in the equation.

$\frac{P1V1}{T1}$ = $\frac{P2 *2V1}{T2}$

P₂= $\frac{P1}{2}$

P₂= $\frac{550}{2}$

P₂=275 kPa

So the final pressure of the gas is 275 kPa.

3 0

4 years ago

Distinguish between dia,para and ferro magnetic materials.

xz_007 [3.2K]

Answer:

The key difference between diamagnetic, paramagnetic and ferromagnetic materials is that diamagnetic materials are not attracted to an external magnetic field, and paramagnetic materials are attracted to an external magnetic field whereas ferromagnetic materials are strongly attracted to an external magnetic field.

4 0

3 years ago