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Elena L [17]
3 years ago
15

Which of the following is true about organizing items and information during scientific investigations?

Physics
2 answers:
LekaFEV [45]3 years ago
5 0
There are usually multiple methods for organizing items and information in a scientific investigation.
frez [133]3 years ago
3 0

Answer:

There are usually multiple methods for organizing items and information in a scientific investigation.

Explanation:

<em>There are usually multiple methods for organizing items and information in a scientific investigation.</em> For example, a scientist might keep separate records for each trial he or she runs in an experiment. Alternatively, records for all trials could be kept on one data sheet. Records might be organized by date. In other cases, they might be organized based on patterns in experimental results.

Scientists also use multiple methods for displaying and analyzing data. For example, collected data in one investigation might best be displayed in a data table. In other cases, plotting data on a graph or chart might help the scientists better understand the data.

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joja [24]
1. The amount of energy carried by the wave is related to the Amplitude of the wave.
2. A mechanical wave requires an initial energy input, Once this initial energy is added the wave travels through the medium until all it's energy is transferred.
6 0
3 years ago
Read 2 more answers
The specific weight of sea water is 10.1 kN/m^3. Convert to lbs/in^3.
Viktor [21]

Answer:

0.03719 lbs/in³

Explanation:

Specific weight is given by multiplying the density of an object to the acceleration due to gravity.

\gamma =\rho g\\\Rightarrow \rho=\frac{gamma}{g}\\\Rightarrow \rho=\frac{10.1\times 10^3}{9.81}\\\Rightarrow \rho=1029.562\ kg/m^3

1\ kg=2.20462\ lb

1\ m=39.3701\ in

\\\Rightarrow 1029.562\ kg/m^3=\frac{1029.562\times 2.20462}{39.3701^3}=0.03719\ lbs/in^3

So,

10.1\ kN/m^3=0.03719\ lbs/in^3

8 0
3 years ago
5. A current of 3.00 A flows through a resistor when it is connected
viktelen [127]
I think it is D
Hope my answer help you?
7 0
2 years ago
Starting from rest, a 2.3x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts
Harman [31]

Answer:

3.13 m/s

Explanation:

From the question,

Since the flea spring started from rest,

Ek = W................... Equation 1

Where Ek = Kinetic Energy of the flea spring, W = work done on the flea spring.

But,

Ek = 1/2mv²............ Equation 2

Where m = mass of the flea spring, v = flea's speed when it leaves the ground.

substitute equation 2 into equation 1

1/2mv² = W.................... Equation 3

make v the subject of the equation

v = √(2W/m)................. Equation 4

Given: W = 3.6×10⁻⁴ J, m = 2.3×10⁻⁴ kg

Substitute into equation 4

v = √[2×3.6×10⁻⁴ )/2.3×10⁻⁴]

v = 7.2/2.3

v = 3.13 m/s

Hence the flea's speed when it leaves the ground  = 3.13 m/s

4 0
3 years ago
An automobile engine delivers 55.0 hp. How much time will it take for the engine to do 6.22 × 105 J of work? One horsepower is e
Gennadij [26K]

Answer:

15.2 s

Explanation:

Convert hp to W:

55.0 hp × 746 W/hp = 41,030 W

Power = energy / time

41030 W = 6.22×10⁵ J / t

t = 15.2 s

8 0
3 years ago
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