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adelina 88 [10]
3 years ago
10

Which of the following is an example of deduction

Physics
1 answer:
Serjik [45]3 years ago
3 0
 a  because of the following rate I do not now I saw it on the other one
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An atom that has an excess positive or negative electrical charge caused by the loss or addition of an electron is called a(n)
maria [59]

Answer:

ion

Explanation:

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3 years ago
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You're driving down the highway late one night at 20 m/s when a deer steps onto the road 41m in front of you. Your reaction time
nordsb [41]

Answer:

Maximum speed you could have and still not hit the deer = 24.07 m/s

Explanation:

Let the maximum speed you could have and still not hit the deer be y.

Your reaction time before stepping on the brakes is 0.50s.

Distance traveled during this time = 0.5y

A deer steps onto the road 41m in front of you

Remaining distance to deer = 41 - 0.5y

The maximum deceleration of your car is 10 m/s²

We have equation of motion, v² = u² + 2as

       Initial velocity, u = y m/s

       Final velocity, v = 0 m/s

       Acceleration, a = -10 m/s²

       Displacement, s = 41 - 0.5y

Substituting,

       v² = u² + 2as

        0² = y² + 2 x -10 x (41 - 0.5y)

          20(41 - 0.5y) = y²

           820 - 10 y = y²

            y² + 10 y -820 = 0

             y = 24.07 m/s or y = -34.06 m/s(not possible)

Maximum speed you could have and still not hit the deer = 24.07 m/s

           

7 0
3 years ago
What is equilibrium?
Lunna [17]

Answer:

In a chemical reaction, chemical equilibrium is the state in which both reactants and products are present in concentrations which have no further tendency to change with time, so that there is no observable change in the properties of the system.

Explanation:

Equilibrium is defined as a state of balance or a stable situation where opposing forces cancel each other out and where no changes are occurring. ... An example of equilibrium is when hot air and cold air are entering the room at the same time so that the overall temperature of the room does not change at all.

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Help help help plzzz. A 15-kilogram wagon originally at rest on a level road is pulled by a rope that exerts a constant horizont
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A. 2m/(s^2)

I hope it will be useful.

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A steel ball is the same size as a wooden ball, but weighs twice as much. if both balls are dropped from an airplane, which of t
schepotkina [342]
The wooden ball would reach terminal velocity first because it weighs less. It would take less time for the downward force of gravity to equal the air resistance.
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