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Alja [10]
3 years ago
13

What is the independent variable and dependent variable if the question is How much weight can you add to a boat before it sinks

?
Physics
1 answer:
Serhud [2]3 years ago
6 0

The independent variable is how much weight you add to the boat.

The dependent variable is: Did it or did it not sink yet ?


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Frictional force is____of area of contact​
Elis [28]

Answer:

The force due to friction is generally independent of the contact area between the two surfaces. This means that even if you have two heavy objects of the same mass, where one is half as long and twice as high as the other one, they still experience the same frictional force when you drag them over the ground.

Explanation:

Independent

8 0
2 years ago
A 1,300 kg wrecking ball hits the building at 1.07 m/s2.
dezoksy [38]
So we know F=ma
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so Force= ma
so F=1300X1.07=1391N
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7 0
3 years ago
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Wich of the following is NOT an example of accelerated motion?
Allushta [10]
B is the answer for your question the answer is b an elevator slowing down  
5 0
3 years ago
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This is a form of energy representing the motion of the molecules which make up an object. A. Thermal Energy B. Kinetic Energy C
bija089 [108]

Answer:

Kinetic energy.

Explanation:

  • There are many kinds of energy. Some of them are kinetic energy, potential energy, thermal energy etc.
  • The energy that shows the motion of the object is called its kinetic energy.
  • Also, the sum of kinetic energy and the gravitational potential energy is called mechanical energy.
  • Out of the given options, kinetic energy is the form of energy that represents the motion of the molecules which make up an object.
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4 0
3 years ago
A disc with a mass of 1 kg moves horizontally to the right with a speed of 7 m/s on a table with negligible friction when it col
Elodia [21]

Answer:

1.6 m/s

Explanation:

First you need to find the momentums of each disc by multiplying their velocities with mass.

disc 1: 7*1= 7 kg m/s

disc 2: 1*9= 9 kg m/s

Second, you need to find the total momentum of the system by adding the momentums of each sphere.

9+7= 16 kg m/s

Because momentum is conserved, this is equal to the momentum of the composite body.

Finally, to find the composite body's velocity, divide its total momentum by its mass. This is because mass*velocity=momentum

16/10=1.6

The velocity of the composite body is 1.6 m/s.

7 0
2 years ago
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