Which statement best describes the isothermal process? A. the temperature remains constant B. the temperature increases at a con
2 answers:
Answer: Option (A) is the correct answer.
Explanation:
An isothermal process is defined as the process in which temperature of a system remains constant. In an isthermal process, = 0.
When an outside thermal reservoir is in contact with a system then very slow change in the system will occur in order to allow the system to continue adjusting to the reservoir's temperature through exchange of heat.
Hence, we can conclude that the temperature remains constant, best describes the isothermal process.
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Answer:
Δ v = 125 m/s
Explanation:
given,
mass of space craft = 435 Kg
thrust = 0.09 N
time = 1 week
= 7 x 24 x 60 x 60 s
change in speed of craft = ?
Assuming no external force is exerted on the space craft
now,
a = 2.068 x 10⁻⁴ m/s²
using equation of motion
Δ v = a t
Δ v = 2.068 x 10⁻⁴ x 7 x 24 x 60 x 60
Δ v = 125 m/s