A small boy is playing with a ball on a stationary train. If he places the ball on the floor of the train, when the train starts moving the ball moves toward the back of the train. This happened due to inertia
An object at rest remains at rest, or if in motion, remains in motion unless a net external force acts on it .
When a train starts moving forward, the ball placed on the floor tends to fall backward is an example of inertia of rest. Due to the reason that the lower part of the ball is in contact with the surface and rest of the part is not . As the train starts moving, its lower part gets the motion as the floor starts moving but the upper part will remain as it is as it is not in contact with the floor , hence do not attain any motion due to the inertia of rest simultaneously i.e. it tends to remain at the same place.
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C. located in front of the lens
Answer:
The initial and final temperatures of the gas is 300 K and 600 K.
Explanation:
Given that,
Entropy of the gas = 14.41 J/K
Absorb gas = 6236 J
We know that,
At constant pressure,
Put the value into the formula
...(I)
We need to calculate the initial and final temperatures of the gas
Using formula of energy
Put the value into the formula
Put the value of T₂
Put the value of T₁ in equation (I)
Hence, The initial and final temperatures of the gas is 300 K and 600 K.
We add the values on each of the riders:
300 + 20 + 8
= 328 grams
