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mart [117]
3 years ago
6

Space awareness is a concept that needs to be taught at the beginning of a physical education program because

Physics
1 answer:
castortr0y [4]3 years ago
3 0
Future lies in space program, as we humans have to explore outer planets and sapce so, space awareness is must
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The prosecution has the responsibility to overcome the presumption of
astra-53 [7]

Answer:

The presumption of 'innocence of defendant'

Explanation:

Prosecution refers to the conduct of legal proceedings against defendant (accused), for a criminal behaviour.

Prosecution has the responsibility to overcome the presumption of innocence of defendant, proving the latter guilty - based on supporting evidences.

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Please help!!! 80 feet/sec to miles / hour
SCORPION-xisa [38]
I’m not sure what your asking explain
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100 POINTS. PLEASE EXPLAIN
Elina [12.6K]

Answer:

(a) 106 kPa

(b) 0.0377 mol

(c) 17.8 cm

Explanation:

(a) There are three forces on the piston.  Atmospheric pressure pushing down, weight pulling down, and pressure of the gas pushing up.

∑F = ma

PA − mg − PₐA = 0

P = (PₐA + mg) / A

P = Pₐ + (mg / A)

P = 101,300 Pa + (40.0 N) / (π (0.05 m²))

P = 106,393 Pa

P = 106 kPa

(b) Use ideal gas law.

PV = nRT

(106,393 Pa) (π (0.05 m²) (0.11 m)) = n (8.314 Pa m³/mol/K) (20 + 273.15) K

n = 0.0377 mol

(c) Use ideal gas law to find the new volume of the gas.

PV = nRT

(106,393 Pa) (π (0.05 m²) h) = (0.0377 mol) (8.314 Pa m³/mol/K) (200 + 273.15) K

h = 0.178 m

h = 17.8 cm

6 0
4 years ago
Read 2 more answers
A free-falling golf ball strikes the ground and exerts a force on it
ozzi
Yes, it do, for a short time.
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4 years ago
What does Newton's third law describe?
Dennis_Churaev [7]
A. Equal and opposite forces

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History law states that for every action (force) in nature there is an equal and opposite reaction. In other words, if object A exerts a force on object B, then object B also exert an equal and opposite force on object A
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