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insens350 [35]
2 years ago
15

Replication of a research study is most likely to be made easier by

Physics
1 answer:
zlopas [31]2 years ago
5 0
<span>Replication is vital to science. It helps make science a self-correcting system. Any time a result is surprising, researchers will try to replicate it, to see if the phenomenon is dependable or just a fluke (a one-time occurence). Operational definitions are critically important in aiding replication.</span>
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When we look up at the stars, we are seeing the future", is this astronomer correct ? Why or why not ?
Andrei [34K]

Answer:

if the stars connect to a thing, then it describes.

7 0
3 years ago
A massive tractor rolls down a country road. in a perfectly inelastic collision, a small sports car runs into the machine from b
Helga [31]
The answer for this change in the magnitude of momentum is the same for both because momentum is always conserved so both vehicles have the identical change. 
So for determining who has the greater change in kinetic energy, momentum (P) = mv so P^2 = m^2 v^2 P^2 / 2m = 1/2 m v^2 = energy So the weightier the mass the smaller the energy change for the same momentum change so in here, the car has a greater change in kinetic energy.
5 0
3 years ago
Read 2 more answers
MARKING BRAINLIEST! The velocity of sound waves in air is 343 m/s, 1,007 m/s in helium and 267 m/s in carbon dioxide. Which one
FromTheMoon [43]

Answer:

In helium

Explanation:

Since the units are the same, the value should only be considered.

6 0
3 years ago
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A boat traveling at a velocity of 20 m/s leaves island heading east . The boat slows to rest at a rate of 1.5 m/s2 How far away
ioda

The boat's initial velocity is:

v_0 = 20 m/s

While the boat's acceleration is

a=-1.5 m/s^2

with a negative sign, since the boat is slowing down, so it is a deceleration. The distance traveled by the boat until it comes to a stop can be found by using the following equation:

v_f^2 -v_0^2 = 2aS

where vf=0 is the final velocity of the boat and S is the distance covered. Re-arranging the formula, we can find S:

S=\frac{-v_0^2}{2a}=\frac{-(20 m/s)^2}{2(-1.5 m/s^2)}=133.3 m

7 0
2 years ago
Mr.G I running down the street trying to catch the bus. He is one city block away (200m) and this bus is leaving in 10s.
Sauron [17]

Answer:

a) 20 m/s

b) No

Explanation:

a)

Mr. G needs to run x= 200 m in t = 10 seconds to catch the bus.

Knowing the speed is computed as

\displaystyle v=\frac{x}{t}

We have

\displaystyle v=\frac{200m}{10s}=20m/s

b)

The fastest human can run 12 m/s, so Mr. G won't be able to catch the bus because he needs to run faster than that

6 0
3 years ago
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