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Dvinal [7]
3 years ago
11

Observations must be _____. subjective objective biased deductive

Physics
2 answers:
Dmitrij [34]3 years ago
6 0
Objective
because it means<span> based on measurement, or reasoning free of bias.</span>
aivan3 [116]3 years ago
3 0

Answer: Objective

An observation is the outcome of the experimentation procedure. It is based upon the measurements and virtual evidences obtained while applying procedures. The observations should be objective that means they should be noted or recorded as such without any manipulation. An analyst should not make assumptions and the observation should be unbiased for a particular parameter because results will not be accurate.

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A 1,500 kg roller coaster is traveling at 32 m/s as it goes over a 6 meter tall hill. What is the kinetic energy of the roller c
malfutka [58]

Answer:

768000 joule

Explanation:

As we know that

K.E = 0.5 x mv2

Here m stands for mass, the measure of how much matter is in an object, and v stands for the velocity of the object, or the rate at which the object changes its position.

putting the value we get

K.E = 0.5 x (1500KG)(32 m/s)2

K.E =768000 J

6 0
4 years ago
An ocean current moving from the equator toward a pole is​
Viefleur [7K]

Answer:

A warm current

Explanation:

3 0
3 years ago
Read 2 more answers
In the Bohr model of the hydrogen atom, an electron({rm mass};m=9.1; times 10^{ - 31;}{rm kg}) orbits a proton at a distance of
max2010maxim [7]

Answer:

n=6.56×10¹⁵Hz

Explanation:

Given Data

Mass=9.1×10⁻³¹ kg

Radius distance=5.3×10⁻¹¹m

Electric Force=8.2×10⁻⁸N

To find

Revolutions per second

Solution

Let F be the force of attraction

let n  be the number of revolutions per sec made by the electron around the nucleus then the centripetal force is given by

F=mω²r......................where ω=2π  n

F=m4π²n²r...............eq(i)

as the values given where

Mass=9.1×10⁻³¹ kg

Radius distance=5.3×10⁻¹¹m

Electric Force=8.2×10⁻⁸N

we have to find n from eq(i)

n²=F/(m4π²r)

n^{2} =\frac{8.2*10^{-8} }{9.11*10^{-31}* 4\pi^{2} *5.3*10^{-11}  }\\ n^{2}=4.31*10^{31}\\ n=\sqrt{4.31*10^{31}}\\ n=6.56*10^{15}Hz

8 0
3 years ago
Helpppppppppppp.......!
Black_prince [1.1K]

Explanation:

m = 66 kg

a = 2 m/s²

F = .....?

<h3>F = m . a</h3>

= 66 . 2

= 132 N

<h3>#CMIIW</h3>

3 0
3 years ago
What gas makes up 75 of earth's atmosphere?
dexar [7]
"Nitrogen gas" makes up 75% (approx. 78%) of the earth's atmosphere

Hope this helps!
6 0
3 years ago
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