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Brums [2.3K]
3 years ago
12

According to Newtons second law of motion, which is equal to the acceleration of an object?A: net force + massB: net force x mas

sC: net force - massD: net force divides mass
Physics
2 answers:
Assoli18 [71]3 years ago
5 0

D: net force divides mass

Application of F = ma.

mart [117]3 years ago
4 0

Answer:

The acceleration of an object is equal to the net force divided by the mass of the object.

(D) is correct option.

Explanation:

According to Newton's second law of motion

The net force is equal to the product of the mass of the object and the acceleration of the object.

In mathematically terms,

F = ma

The acceleration is

a = \dfrac{F}{m}

Where, a = acceleration

F = net force

m = mass

Hence, The acceleration of an object is equal to the net force divided by the mass of the object.

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The outside diameter of the playing area of an optical Blu-ray disc is 11.75 cm, and the inside diameter is 4.50 cm. When viewin
erica [24]

Answer:

The minimum angular speed 57.0 rad/s

Explanation:

In this exercise we must use the relationships between the angular and linear magnitudes, for the speeds we have

      v = w r

 

As they give us that linear velocity is constant, we will calculate the angular velocity for the two radii, external and internal

     r1 = 11.75 cm (1 m / 100cm) = 0.1175 m

    w1 = v / r1

    w1 = 6.70 / 0.1175

    w1 = 57.0 rd / s

    R2 = 4.50 cm = 0.0450 m

    w2 = 6.70 / 0.0450

   w2 = 148 rad / s

The minimum angular speed 57.0 rad / s

4 0
3 years ago
Electromagnets are created by
Scrat [10]
I electromagnets, the magnetic field is turned off when there is no induced current. So, electromagnets act as magnets only when current is induced in an insulated wire wrapped around a material mage of ferromagnetic material such as iron core rotating in a magnetic field.

So, option D is the correct one.



If you wanna know more about electromagnets, write down in comments {:
6 0
3 years ago
Read 2 more answers
A circuit has a 10 Ω resistor connected to a 1.5 V dry cell. What is the current that can flow in the circuit?
ludmilkaskok [199]

Here is the highly detailed, arcane, complex, technical form of Ohm's Law that is needed in order to answer this question  ===>  I = V / R  .

Current = (voltage) / (resistance)

Current = (1.5 V) / (10 Ω)

<em>Current = 0.15 Ampere</em>

8 0
3 years ago
on a day the wind is blowing towards the south at 7 m/s, a runner jogs west at 7 m/s. what is the velocity (speed and direction)
kiruha [24]

Velocity is the rate of change of position of an object. The velocity of the air relative to the runner is 5√2 m/sec and it is in the southwest direction.

<h3>What is Velocity?</h3>

Velocity is the directional speed of a moving object as an indicator of its rate of change in location as perceived from a certain frame of reference and measured by a specific time standard.

Given that on a day the wind is blowing towards the south at 7 m/s, a runner jogs west at 7 m/s. Therefore, the velocity of the air relative to the runner can be written as,

Relative velocity = √[(Velocity of the jogger)² + (Velocity of the air)²]

                            = √[(5)² + (5)²]

                            = √(25 + 25)

                            = √50

                            = 5√2 m/sec

The direction of the relative velocity is,

The angle of relative Velocity = Tan(θ)

Tan(θ) = Vertical velocity / Horizontal velocity

Tan(θ) = 5/5

Tan(θ) = 1

θ = tan⁻¹(1)

θ = 45°

Since this angle is formed between the two velocities, therefore, the direction of the velocity is southwest.

Hence, the velocity of the air relative to the runner is 5√2 m/sec and it is in the southwest direction.

Learn more about Velocity here:

brainly.com/question/18084516

#SPJ4

4 0
1 year ago
Identify the smallest measurement.
Vika [28.1K]

Answer:

Attometer

Explanation:

an attometer is the smallest unit of measurement.

Hope it helped!

3 0
1 year ago
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