Answer:
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Explanation:
(3.6 newton-second) / (600 newton) = 0.006 second
Answer:
Explanation:
Option c is incorrect i.e. Entropy of an isolated system must be conserved
The entropy of an isolated system always increases. This can be explained by considering the system is isolated so there is no exchange of mass i.e. entropy cannot decrease so it must either increase or remains constant. But due to the presence of spontaneity in the system, there is always an increase in mass unless the system is undergoing a reversible process in which each state change is in equilibrium condition.
Because ot helps us to do our work. it is the capacity of doing work. the energy like mechanical energy, chemical energy etc have been helping humans from almost origin of our life. transformation of energy also helps us grately. in this way energy is essential to our way of life.
Answer:
Centripetal force = 634.6 newton
Explanation:
Given that,
Weight of the automobile, M = 125 Kg
The tangential speed of the automobile, V = 48 Km/h
V = 13.33 m/s
The radius of the circular road, R = 35 m
The centripetal force is given by the relation
Fc = MV²/R
Where M - the mass of the body
V - velocity of the body
R - Radius of its trajectory
Substituting in the above equation
Fc = 125 Kg x 13.33² m²/s² / 35 m
= 22211.11 / 35 newton
= 634.6 newton
Hence, the centripetal force acting on the automobile is 634.6 N