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3 years ago

Which of the following explains how a hypothesis that is NOT supported by the results of an experiment can still be valuable?

2 answers:

8 0

Answer: hypothesis that is not supported by the results of an experiment may lead to further research and investigations.

Yuliya22 [10]3 years ago

5 0

The option which explains how a hypothesis that is NOT supported by the results of an experiment can still be valuable is: D. A hypothesis that is not supported by the results of an experiment may lead to further research and investigations.

An experiment refers to an investigation that typically involves the process of manipulating an independent variable known as the cause, in order to determine or measure the dependent variable known as the effect.

A hypothesis is simply tentative or an educated guess and it can be defined as a testable explanation for an experiment, observation or a scientific problem. Thus, any hypothesis that is not supported by observations and the results of an experiment is generally rejected in science.

However, this hypothesis not supported by the results of an experiment may be harnessed and subsequently, may lead to further research and investigations.

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An astronaut, whose mission is to go where no one has gone before, lands on a spherical planet in a distant galaxy.

NeTakaya

Answer:

$M = 1.77 \times 10^{27} kg$

Explanation:

As we know that the that the Astronaut dropped a stone on the surface of the planet takes 0.420 s to fall a distance of d = 1.90 m

so we will have

$y = \frac{1}{2}g t^2$

$1.90 = \frac{1}{2}g(0.420^2)$

$g = 21.5 m/s^2$

now we know that the acceleration due to gravity is given as

$g = \frac{GM}{R^2}$

so we will have

$21.5 = \frac{(6.67 \times 10^{-11})M}{(7.40\times 10^7)^2}$

$M = 1.77 \times 10^{27} kg$

7 0

3 years ago

The drawing shows a hydraulic chamber with a spring (spring constant = 1600 N/m) attached to the input piston and a rock of mass

Triss [41]

Answer:

$\Delta x=245\ mm$

Explanation:

Given:

spring constant of the spring attached to the input piston, $k=1600\ N.m^{-1}$

mass subjected to the output plunger, $m=40\ kg$

<u>Now, the force due to the mass:</u>

$F=m.g$

$F=40\times 9.8$

$F=392\ N$

<u>Compression in Spring:</u>

$\Delta x=\frac{F}{k}$

$\Delta x=\frac{392}{1600}$

$\Delta x=0.245\ m$

$\Delta x=245\ mm$

8 0

4 years ago

WILL GIVE BRAINLIEST ASAP

Sedaia [141]

Explanation:

1. Height Relatives to reference point, Mass, and strength of the gravitational field it's in

2. Distance in the magnetic field

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3 years ago

A step-down transformer has more loops on which coil?

Nesterboy [21]

A step-down transformer has more loops in : A. Primary coil

Primary coil refers to the coil to which alternating voltage is supplied. It's usually connected to the AC supply

hope this helps

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4 years ago

Read 2 more answers

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lorasvet [3.4K]

Answer:

k is the energy of motion it increase with four of load you carry

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3 years ago