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emmasim [6.3K]
3 years ago
13

A 1.8-m uniform rod is being used to balance two buckets of paint. One pucket is full, but the other is mostly empty, and has on

ly 0.25 the inertia of the full bucket. How far away from the full bucket is the center of mass of the system located?
Physics
1 answer:
Lisa [10]3 years ago
6 0

Answer: 0.36 m

Explanation:

By definition, the x coordinate of the center of mass of the system obeys the following equation:

Xm = (m1x1 + m2x2 + …….+ mnxn) / m1+m2 +……+ mn

Neglecting the mass of the rod, and choosing our origin to be coincident with the location of the full bucket, we can write the following expression for the X coordinate of the center of mass (Assuming that both masses are aligned over the x-axis, so y-coordinates are zero):

Xm = 0.25 mb . 1.8 m / (1+0.25) mb

Simplifying mb, we get:

Xm= 0.36 m (to the right of the full bucket).

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How does battery generate electric current in a circuit?
sveticcg [70]

Answer:

C. It creates negative electric charges and pushes them into the circuit

Explanation:

A battery has three main parts. The Cathode (Positive), the Electrolytes (energy source), and the Anode (negative). The anode takes energy from the electrolytes and creates more electrons. And because subatomic particles with the same charge don't like being in the same place, they move through the circuit to reach the cathode because opposites attract.

I hope this helps!

3 0
3 years ago
Potential energy is involved in each of these events. Match each event with it's source of potential energy.
avanturin [10]
The trampoline one would be for the elastic answer, the chemical one would be for the chemical answer, and the last one would be for the gravitational one :)
5 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP!!
Phantasy [73]

According to the information in the fragment, it can be inferred that it is an example of how scientific development has consequences on pre-established theories and new areas are created in science (option C)

<h3>What is a scientific theory?</h3>

A scientific theory is a term to refer to a set of concepts and observations that are proposed as principles to explain a class of phenomena.

According to the above, the discovery of germs and their relationship with human diseases was an event that changed scientific theories about human diseases because it demonstrated a different explanation than what was believed up to that time.

So, the correct answer is option C because this event changed scientific theory and opened new fields for scientific study and research.

Learn more about sciences in: brainly.com/question/12265124

#SPJ1

4 0
1 year ago
A. A man of 100 kg mass is standing on the surface of the earth of mass 6 × 1024 kg and
Alexxx [7]

Answer:

m1=100kg

m2=6×10^24kg

r=6400km

G=6.6×10^-11

F=?

as we know that

F=G m1.m2/r²

F=6.6×10^-11×100×6×10^24/(6400)²

F=6.6×10^-11×6×10^26/4.096×10^7

F=6.6×10^-11×1.465×10^19

F=9.67×10^8N

7 0
2 years ago
Use dimensional analysis to convert the following units. Show your work.
anyanavicka [17]

Answer:

Explanation:

conversion of 2.5 days to seconds

2.5 days =2.5 days*24 hours*3600 seconds

2.5 days=216000seconds

b) conversion of 25 km to mm

1 km=1000000 mm

therefore

25 km=25*1000000=25000000 mm

c) conversion 22 g to kg

1000 g=1 kg

therefore

22 g=22/1000=0.022 kg

4 0
3 years ago
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