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Mrac [35]
3 years ago
14

A 20-N force acts on an object with a mass of 2.0kg. what is the objects acceleration?

Physics
2 answers:
Sav [38]3 years ago
8 0

Answer:10m/s^2

Explanation:

Mathematically,

Force =mass ×acceleration

Given force ( F )=20N

Mass ( m )=2.0kg

Acceleration ( a ) =?

Substitute them into the equation

20N =2kg ×a

Making a the subject by dividing through by 2

2kga/2 =20N/2kg

a =20N/2kg

a=10N/kg^1

a=10m/s^2

ale4655 [162]3 years ago
7 0

Answer:

10 m/s^2

Explanation:

Equation: F = ma.

a = acceleration

m = mass

F = force

Because we are trying to find acceleration instead of force we want to rearrange the equation to solve for a which is F/m = a.

F = 20

m = 2

a = ?

a = F/m

a = 20/2

a = 10 m/s^2

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Explanation:

6 min in seconds:

6×60

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6 min in hours:

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6 0
3 years ago
Energy can be blank from one form to another
Tanya [424]

Answer: "converted"

Energy can be converted from one form to another

Explanation:

The law of conservation of energy states that energy can neither be created nor destroyed but converted from one form to another.

For instance:

- an electric generator convert mechanical energy to electrical energy

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Thus, energy can be converted from one form to another

7 0
3 years ago
Which option is an example of an object that has potential energy followed by an object that has kinetic energy?
Nata [24]

A ball held over a person's head | a ball rolling on the floor is an example of an object that has potential energy followed by an object that has kinetic energy.

<h3>What is Kinetic energy?</h3>

This is the type of energy possessed by a body by virtue of its motion or movement.

The rolling ball therefore has kinetic energy while a ball being held over a person's head has potential energy which is the energy possessed by a body by virtue of its position.

Read more about Kinetic energy here brainly.com/question/8101588

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6 0
2 years ago
An 80kg astronaut traveled to the moon, where gravity is one-sixth (116) as
PIT_PIT [208]

Answer:

Wmoon = 131 [N]

Explanation:

We know that the weight of a body is equal to the product of mass by gravitational acceleration.

Since we are told that the gravitational acceleration of the moon is equal to one-sixth of the acceleration of Earth's gravitation. Then we must multiply the value of Earth's gravitation by one-sixth.

w_{moon}=\frac{1}{6} *m*g\\w_{moon}=\frac{1}{6} *80*9.81\\w_{moon}=130.8 [N] = 131 [N]

7 0
3 years ago
A quarterback claims that he can throw the football a horizontal distance of 167 m. Furthermore, he claims that he can do this b
pychu [463]

Answer:u=42.29 m/s

Explanation:

Given

Horizontal distance=167 m

launch angle=33.1^{\circ}

Let u be the initial speed of ball

Range=\frac{u^2\sin 2\theta }{g}

167=\frac{u^2\sin (66.2)}{9.8}

u^2=1788.71

u=\sqrt{1788.71}

u=42.29 m/s

7 0
3 years ago
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