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GenaCL600 [577]
3 years ago
7

An object accelerates at 6 m/s2. If the net force acting on the object doubles, what is

Physics
1 answer:
Sloan [31]3 years ago
4 0

Answer:

12 m/s²

Explanation:

We have Newton's 2nd Law of Motion:

  • F = ma (Force is equal to [constant] mass times acceleration)

Mass <em>m</em> is in kg and acceleration <em>a</em> is in m/s²

Our 1st acceleration given to us is a = 6 m/s². Let's substitute it into Newton's 2nd Law of Motion:

  • F = m(6 m/s²)

We are told that the net force doubles, meaning that the new force is 2F:

  • 2F = ma

Mass doesn't change in this system; it is held constant due to Newton's 2nd Law of Motion. Therefore, to increase the net force acted on the object, the <em>acceleration</em> must change.

Since we are doubling the net force and mass stays constant, then acceleration <em>also must double.</em>

Therefore, our answer is (6 m/s²) · 2 = 12 m/s².

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Un móvil con velocidad inicial de 19,8km/h adquiere una aceleración constante de 2,4m/s^2. Determine la velocidad y el espacio r
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Responder:

Velocidad = 41.5m / s

Espacio recorrida = 352.5 metros

Explicación:

Dado lo siguiente:

Velocidad inicial (u) = 19.8 km / h

Aceleración (a) = 2.4m / s ^ 2

Tiempo de viaje (t) = 15 s

A.) velocidad después de 15 s

Velocidad inicial = (19.8 × 1000) m / 3600s Velocidad inicial = 19800m / 3600 = 5.5m / s

Usando la ecuación: v = u + at, donde v es la velocidad

v = 5.5 + 2.4 (15)

v = 5.5 + 36

v = 41.5m / s

Espacio recorrida:

v ^ 2 = u ^ 2 + 2aS; donde S es la distancia recorrida

41.5 ^ 2 = 5.5 ^ 2 + 2 × (2.4) × S

1722.25 = 30.25 + 4.8S

1722.25 - 30.25 = 4.8S

1692 = 4.8S S = 1692 / 4.8 S = 352.5m

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3 years ago
What three sprites are needed to create the Space Invaders game that was discussed in the unit? spaceship, laser, enemy gnome, a
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Answer: anlien, enemy gnome, spaceship

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For part 2 I was told that The circuit below will accommodate up to three resistors in series. Explore the circuit. It is a seri
Amiraneli [1.4K]

(a) Draw the circuit diagram for the three resistors in series that you assembled in Part 2. Label the voltage and the resistances of each resistor

The diagram will look like the following:

As all the resistors are equal, their voltage drop will also be equal, which will be a third of the input voltage

(b) For the three resistors in series, how did the measured total voltage, current across each resistor, total current, and voltage drop across each resistor compare to the values that you calculated?

The value of the measured voltage on each resistor can be seen as to be exactly as calculated, which is 1/3 of the voltage input. The total current can be calculated as:

I=\frac{V}{R+R+R}=\frac{15}{3*3}=\frac{15}{9}\approx1.7A

Which is the one seen on the amperimeter

(c) How did the equivalent resistance, voltage drop across each resistor, total current, and total voltage change as you added resistors in series to the circuit?

The voltage drop on each resistor will decrease once you add more resistors, as there will be more total resistance, and thus less current. As the resistance of each resistor is constant, the relation V=RI given by Ohm's law will be reduced.

5 0
1 year ago
A solution is a homogeneous mixture of one or more solutes dissolved in a solvent. A specific volume of solvent is only able to
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<h3><u>Answer;</u></h3>

C. Supersaturated

<h3><u>Explanation</u>;</h3>
  • Solutions are homogeneous mixtures that are created by mixing a solute and a solvent. Solute is the substance present in smaller amounts that dissolves in a solvent such as water which is the substance present in larger amount.
  • A solution, can be<u> unsaturated, saturated or supersaturated. An unsaturated solution</u> is a solution that contains less solute that can be dissolved, it doesn't contain the maximum amount of solute.
  • <u>A saturated solution</u> is a solution containing the maximum amount of solute that can be dissolved at a given temperature. Any additional solute will remain undissolved in the container.
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Vesnalui [34]

Answer:

option (D

Explanation:

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where, N is number of turns, A is area, b is the magnetic field and Ф be the angle between the area vector and the magnetic field vector, i be the current.

So, torque depends on the current.

option (D)

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