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Oxana [17]
3 years ago
5

To run the physics cart, the fan speed of the cart is manipulated. This is the variable. The cart accelerates due to the speed o

f the fan. 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:
Advocard [28]3 years ago
8 0

Answer:

1. Independent

2. Dependent

3. Mass

Explanation:

PSYCHO15rus [73]3 years ago
6 0

Answer:

The constant quantity of the cart is its mass m

Explanation:

When the fan of the cart rotates with an increased velocity the force on the cart increases which causes the cart to accelerate. Force and acceleration are variables in this case. Force on the cart is given by the equation  

F=ma

Where  m is the mass of the cart and  a is acceleration.  

In this example, the force is exerted on the cart due to the rotation of the fan.  Acceleration is produced due to this force. Thus acceleration is proportional to force.  

mass is given by  

m=\frac Fa

So the mass of the cart remains constant.  

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garik1379 [7]

Answer:

Velocity is a change in displacement over change in time and uses the units m/s.

Both are rates of change and can be positive or negative.

Acceleration is a change in velocity over change in time and uses the units m/s².

Explanation:

Velocity is the change in displacement over change in time, this makes it a rate of change. It can be positive or negative because it is a vector quantity. It uses the units m/s because that is a displacement unit over a time unit.

Acceleration is the change in velocity over change in time, this makes it a rate of change. It can be positive or negative because it is also a vector quantity. It uses the units m/s² (m/s/s) because that is a velocity unit over a time unit.

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