Answer:
B. Bend away from each other
Explanation:
Answer:
(B) The balls reach the ground at the same instant.
Explanation:
Since it is a projectile motion, the time required to reach the ground is given by
t = √2h/g
Where h is the height from which the balls are thrown and g is the acceleration due to gravity.
Since both of the balls were thrown from the same height and the acceleration of both balls are also same they will reach the ground at the same instant.
Answer:
Non-metal
Explanation:
Diamond is a non metal because diamond is entirely made out of carbon and carbon is a non metal.
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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.