Question 25 Answer: Destructive interference occurs.
<span>Question 26Answer: The waves are closer together (as they move) because the object is moving toward you.</span>
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A is the correct answer :D
Answer:
Lithium and Sodium
Explanation:
Lithium and Sodium is in the same group 1A
Answer:
Explanation:
i )
In a conservative field like gravitational field , loss of potential energy or work done , depends upon the initial and final point and not the manner in which 2 nd point has been reached . Since the initial and final point is same in both the cases of straight and curved path , final velocity will remain same for both of them .
Hence , due to increased mass of larger child , his kinetic energy will be greater .
ii ) Since the initial and final point is same in both the cases of straight and curved path , final velocity will remain same for both of them .
iii ) Smaller child undergo free fall , therefore , he will fall with acceleration g . The larger child falls on curved path . So , he will have only a component of
vertical g at any moment . hence average acceleration will be less.
