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Lubov Fominskaja [6]
3 years ago
14

What does the scientific method try to reduce ?

Physics
2 answers:
icang [17]3 years ago
8 0
It's designed to reduce the chances of fooling yourself when you think you have the answer.
emmasim [6.3K]3 years ago
4 0
<span> influence of bias or prejudice in the experiment</span>
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Using F=ma, explain why a train is more difficult to start moving and more difficult to bring to a stop than an average sized ca
seropon [69]

Answer:

M_Train>> m_car    a_train <a_car

Explanation:

To start the movement of the train or the car, the motorcycle applies a force on the wheels, which starts the acceleration in the case of the train, it has a much greater mass than that of the car, for which to obtain the same acceleration necessary a much greater force

         a = F / m

as the mass of the train is greater than that of the car.

         a_train <a_car

Something similar happens when the vehicles stop, the engine stops applying force forward and the brakes apply a force backward that creates a negative acceleration that slows down, again as the mass of the train is much greater than the of the car its negative acceleration is much less.

   

It is good to clarify that to compensate for this the trains have a braking system on all wheels

6 0
3 years ago
as an aid in understanding this problem. The drawing shows a positively charged particle entering a 0.61-T magnetic field. The p
miv72 [106K]

Answer:

E = 420.9 N/C

Explanation:

According to the given condition:

Net\ Force = 2(Magnetic\ Force)\\Electric\ Force - Magnetic\ Force = 2(Magnetic\ Force)\\Electric\ Force = 3(Magnetic\ Force)\\qE = 3qvBSin\theta\\E = 3vBSin\theta

where,

E = Magnitude of Electric Field = ?

v = speed of charge = 230 m/s

B = Magnitude of Magnetic Field = 0.61 T

θ = Angle between speed and magnetic field = 90°

Therefore,

E = (3)(230\ m/s)(0.61\ T)Sin90^o

<u>E = 420.9 N/C</u>

3 0
3 years ago
At what constant velocity must a spacecraft travel from earth if it is to reach the star in 3. 7 years, as measured by travelers
tatiyna

The constant velocity that the spacecraft must travel is : 3.49 * 10⁸ m/s

<u>Given data :</u>

Distance of star from earth = 4.3 light years

Observers time = 3.7 years

<h3>Determine the constant velocity the spacecraft must travel </h3>

Observers time = 3.7 * 365 * 24 * 60 * 60

Distance of star from earth = 4.3 * 9.46 * 10¹⁵

The velocity the spacecraft must travel will be calculated using the equation

V = distance / time

   = ( 4.3 * 9.46 * 10¹⁵ ) / ( 3.7 * 365 * 24 * 60 * 60 )

   = 3.49 * 10⁸ m/s

Hence we can conclude that The constant velocity that the spacecraft must travel is : 3.49 * 10⁸ m/s

Learn more about space travelling : brainly.com/question/1344685

<em />

<em>Attached below is the missing detail related to the question </em>

5 0
2 years ago
Read 2 more answers
A motor exerts a 280 N force and does 1220 J
finlep [7]

We know that:

  • Work = Force × Distance

Solving for Distance:

  • Distance = Work / Force
  • Distance = 1220 J / 280 N
<h3>        Distance = 4.36 m </h3>

5 0
3 years ago
How do the prefixes micro,<br> nano and pico relate to each<br> other?
In-s [12.5K]

Answer:

because they are same and their properties

8 0
3 years ago
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