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fomenos
3 years ago
9

Francis Bacon created a new way of scientific thinking called inductive reasoning. How was this different from the deductive rea

soning of earlier eras? a. Scientists had to be inducted into a society in order to conduct experiments. . . b. Scientists no longer had to prove their ideas. . . c. Scientists now gathered information and facts before creating a theory. . d. Inductive reasoning was faster and easier than deductive reasoning..
Physics
2 answers:
IgorC [24]3 years ago
8 0

Answer:

The correct answer is option c, Scientists now gathered information and facts before creating a theory.

Explanation:

In a deductive reasoning usually scientist state additional true facts about a fact already existing and accepted by the mass/society. While in an inductive reasoning facts and data’s are gathered to prove any concept.  

An example of deductive thinking is “God exists every where”. This has no logical backing but since everyone accepts it , it is considered as true without any appropriate facts and figures.  Any other fact about God will also be considered as true while in an inductive reasoning any statement must be backed by its logical derivatives.

WINSTONCH [101]3 years ago
7 0

Scientists now gathered information and facts before creating a theory.


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A boy in a wheelchair (total mass 54.5 kg) has speed 1.40 m/s at the crest of a slope 2.10 m high and 12.4 m long. At the bottom
babymother [125]

Answer:

630.75 j

Explanation:

from the question we have the following

total mass (m) = 54.5 kg

initial speed (Vi) = 1.4 m/s

final speed (Vf) = 6.6 m/s

frictional force (FF) = 41 N

height of slope (h) = 2.1 m

length of slope (d) = 12.4 m

acceleration due to gravity (g) = 9.8 m/s^2

work done (wd) = ?

  • we can calculate the work done by the boy in pushing the chair using the law of law of conservation of energy

wd + mgh = (0.5 mVf^2) - (0.5 mVi^2) + (FF x  d)

wd = (0.5 mVf^2) - (0.5 mVi^2) + (FF x  d) - (mgh)

where wd = work done

m = mass

h = height

g = acceleration due to gravity

FF = frictional force

d = distance

Vf and Vi = final and initial velocity

wd =  (0.5 x 54.5 x 6.9^2) - (0.5 x 54.5 x 1.4^2) + (41 x 12.4) - (54.5 X 9.8 X 2.1)            

wd = 630.75 j

3 0
3 years ago
A 20 g ball is fired horizontally with speed v0 toward a 100 g ball hanging motionless from a 1.0-m-long string. The balls un-de
sladkih [1.3K]

Answer:7.93 m/s

Explanation:

Given

mass of ball m_1=20\ gm

Mass of hanging ball m_2=100\ gm

Length of string L=1\ m

Maximum angle turned \theta _{max}=50^{\circ}

v_o is the initial velocity of ball 1  and 0 is the initial  velocity of ball 2

For Perfectly elastic final velocity of ball 1 and 2 is given by

v_2'=\frac{2m_1}{m_1+m_2}\cdot v_1-\frac{m_1-m_2}{m_1+m_2}\cdot v_2

v_1'=\frac{m_1-m_2}{m_1+m_2}\cdot v_1+\frac{2m_2}{m_1+m_2}\cdot v_2

where v_1and v_2 are the velocity of 1 and 2 before collision

thus v_2'=\frac{2\times 20}{120}v_0-0

v_2'=\frac{v_o}{3}

v_1'=\frac{20-100}{120}\times v_o+0

v_1'=-\frac{2}{3}v_o

By energy conservation on second ball we get

Kinetic energy=Potential Energy

\frac{1}{2}m_2(v_2')^2=m_2gL(1-\cos \theta )

v_2'=\sqrt{2gl(1-\cos \theta )}

v_2'=\sqrt{2\times 9.8\times 1(1-0.642)}

v_2'=2.64\ m/s

thus v_o=3\times v_2'=7.93\ m/s

5 0
3 years ago
What measures air pressure?
Brums [2.3K]

Answer: barometer

Explanation: An instrument that measures air pressure is called a barometer. One of the first barometers was developed in the 1600s. The original instrument had mercury in the small basin, with an upside down glass tube placed in the mercury.

7 0
3 years ago
After driving a portion of the route, the taptap is fully loaded with a total of 27 people including the driver, with an average
belka [17]

We will define the Total mass to calculate the force, so our values are:M_p = 69*27=1823Kg\\M_g=15*3=45Kg\\M_c=3*5=15Kg\\M_B=25Kg

Total Mass = 1863+45+15+25=1948Kg

The Weight is,

F=mg=1948*98=19090.4N

Through the hook's Law we calculate X.

F_s=Kx, where x is the lenght of compression and K the Spring constant.

We don't have a K-Spring, but we can assume a random value (or simply let the equation in function of K)

X = \frac{F_s}{x} \\X = \frac{1909.4}{k}

I assume a value of K=4*10^4N/m

X= \frac{1909.4}{4*10^4} = 0.48m

6 0
3 years ago
A flat loop of wire consisting of a single turn of cross-sectional area 8.20 cm2 is perpendicular to a magnetic field that incre
olga nikolaevna [1]

Answer:

The  induced current is I  =  6.25*10^{-4} \  A

Explanation:

From the question we are told that  

    The number of turns is  N  =  1

     The  cross-sectional area is  A  =  8.20 cm^2  =  8.20 * 10^{-4} \ m^2

    The  initial magnetic field is  B_i  =  0.500 \ T

     The  magnetic field at time =  1.02 s  is  B_t =  2.60 \ T

     The  resistance is  R  = 2.70\  \Omega

The  induced emf is mathematically represented as

       \epsilon  = - N  *   \frac{ d\phi }{dt}

The  negative sign tells us that the induced emf is moving opposite to the change in magnetic flux

      Here  d\phi is the change in magnetic flux which is mathematically represented as

        d \phi  =  dB  *  A

Where  dB  is the change in magnetic field which is mathematically represented as

        dB  =  B_t  - B_i

substituting values

        dB  =   2.60 -  0.500

        dB  =   2.1 \ T

Thus  

      d \phi  =  2.1 * 8.20 *10^{-4}

     d \phi  = 1.722*10^{-3} \ weber

So  

     |\epsilon|  = 1   *   \frac{ 1.722*10^{-3}}{1.02}

     |\epsilon|  = 1.69 *10^{-3} \  V

The  induced current i mathematically represented as

      I  =  \frac{\epsilon}{ R }

  substituting values

       I  =  \frac{1.69*10^{-3}}{ 2.70 }

       I  =  6.25*10^{-4} \  A

7 0
4 years ago
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