The magnitude of displacement and average velocity of the top of the seconds hand of a clock of dial R = 25cm during t = 10s are : a) ½ and 1/40 c) ¼ and 1/20 b) ¼ and 1/40 d) ½ and 1/30

Question

The magnitude of displacement and average velocity of the top of the seconds hand of a clock of dial R = 25cm during t = 10s are : ​a) ½ and 1/40 c) ¼ and 1/20 ​b) ¼ and 1/40 d) ½ and 1/30

riya · Answer

ans b) ¼ and 1/40 GIVEN : radius = 25 cm the angle between intial and final point of second hand is 60 o { 1s = 6 o then 10 s = 60 o ] WKT dispacement is straight line distance between initial and final point hence the triangle so formed has an angle of 60 o . so it is a equilateral triangle so the displacement = radius= 25 cm = ¼ m velocity = displacement / time taken = ¼/10 = 1/40 m/s

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The magnitude of displacement and average velocity of the top of the seconds hand of a clock of dial R = 25cm during t = 10s are : a) ½ and 1/40 c) ¼ and 1/20 b) ¼ and 1/40 d) ½ and 1/30

The magnitude of displacement and average velocity of the top of the seconds hand of a clock of dial R = 25cm during t = 10s are :
a) ½ and 1/40 c) ¼ and 1/20
b) ¼ and 1/40 d) ½ and 1/30

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The magnitude of displacement and average velocity of the top of the seconds hand of a clock of dial R = 25cm during t = 10s are : ​a) ½ and 1/40 c) ¼ and 1/20 ​b) ¼ and 1/40 d) ½ and 1/30

The magnitude of displacement and average velocity of the top of the seconds hand of a clock of dial R = 25cm during t = 10s are :​a) ½ and 1/40 c) ¼ and 1/20​b) ¼ and 1/40 d) ½ and 1/30

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The magnitude of displacement and average velocity of the top of the seconds hand of a clock of dial R = 25cm during t = 10s are : a) ½ and 1/40 c) ¼ and 1/20 b) ¼ and 1/40 d) ½ and 1/30

The magnitude of displacement and average velocity of the top of the seconds hand of a clock of dial R = 25cm during t = 10s are :
a) ½ and 1/40 c) ¼ and 1/20
b) ¼ and 1/40 d) ½ and 1/30