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ale4655 [162]
3 years ago
12

Use the drop-down menus to complete each sentence. The force applied to the physics cart is manipulated. This is the variable. T

he cart accelerates due to the force applied to the cart. Acceleration is therefore the variable. A "constant" is a parameter that stays the same regardless of the variables. One parameter of the cart that is held constant is the .
Physics
2 answers:
Nikitich [7]3 years ago
8 0

Answer:

the mass of the cart is held constant.

Explanation:

This can be solved by referring to the Newton's Second Law of Motion. Newton's Second Law of motion states that whenever an unbalanced force is applied to a body, it produces an acceleration in the body, in the direction of force. Thus, both the force and the acceleration are directly proportional to each other. And the mass is kept constant during this process. As the formula derived by Newton's Second Law suggests that:

F = ma

It is clear from this equation that if the force and acceleration are variables, then the mass must be a constant.

<u>Hence, the mass of the cart is held constant.</u>

ELEN [110]3 years ago
6 0

Answer:

independent, dependent, applied force

Explanation:

i just did it on edgenuity

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The force exerted by the wind on the sails of a sailboat is Fsail = 330 N north. The water exerts a force of Fkeel = 210 N east.
Elena L [17]

Answer:

The magnitude of the acceleration is a_r = 1.50 \ m/s^2

The direction is  \theta =  32.5 6^o north of  east

Explanation:

From the question we are told that

   The force exerted by the wind is  F_{sail} =  (330 ) \ N \ north

   The force exerted by water is  F_{keel} =  (210  ) \ N \ east

      The mass of the boat(+ crew) is  m_b  =  260  \ kg

Now Force is mathematically represented as

      F =  ma

Now the acceleration towards the north is mathematically represented as

      a_n  =  \frac{F_{sail}}{m_b}

substituting values

       a_n  =  \frac{330 }{260}

      a_n  =  1.269 \ m/s^2

Now the acceleration towards the east is mathematically represented as

       a_e = \frac{F_{keel}}{m_b }

substituting values

      a_e = \frac{210}{260}

      a_e =0.808 \ m/s^2

The resultant acceleration is  

      a_r =  \sqrt{a_e^2 + a_n^2}

substituting values

     a_r =  \sqrt{(0.808)^2 + (1.269)^2}

      a_r = 1.50 \ m/s^2

The direction with reference from the north is evaluated as

Apply SOHCAHTOA

        tan \theta =  \frac{a_e}{a_n}

       \theta = tan ^{-1} [\frac{a_e}{a_n } ]

substituting values

     \theta = tan ^{-1} [\frac{0.808}{1.269 } ]

    \theta = tan ^{-1} [0.636 ]

   \theta =  32.5 6^o

     

   

       

5 0
3 years ago
What volume will be occupied by 20g of Copper if the density of Copper is 9.1g/ml?
Eva8 [605]

Answer:

The volume of copper is 2.198 ml

Explanation:

Given;

mass of copper, m = 20 g

density of copper, ρ = 9.1 g/ml

Density is given by;

Density = mass / volume

Volume = mass / density

Volume = (20 g) / (9.1 g/ml)

Volume = 2.198 ml

Therefore, the volume of copper is 2.198 ml

3 0
3 years ago
A solid sphere rolls without slipping down an incline, starting from rest. At the same time, a box starts from rest at the same
NISA [10]

Answer:

The box arrives first.

Explanation:

Hope this helps!! :))

Learn more at :

brainly.com/question/20164917

4 0
2 years ago
DOES ANYONE KNOW WAHTS NOISE POLLUSION POEM?
solmaris [256]
Noise pollution, also known as environmental noise or sound pollution, is the propagation of noise with ranging impacts on the activity of human or animal life, most of them harmful to a degree.
7 0
2 years ago
Why is the recruitment and selection of staff the concern of all managers in an organization? ​
leva [86]

Answer:

Explanation:

It is a concern to managers in an organization because it is important for the organization to get the number and quality of staffs needed to attain the goals and objectives of the organization.

Selection and recruitment is also important in order to ensure the continuity of the company , it will also fulfills the organisations job requirements and also this provide a pool of employees in which the management will have to choose the right or best candidates for the job position.

7 0
3 years ago
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