A particle moves in a circle of radius 30 cm . Its liner speed is given by v = 2 t , where t is in second and v in m s - 1 . Find out its radial and tangential acceleration at t = 3 s , respectively,

Question

A particle moves in a circle of radius 30 cm . Its liner speed is given by v = 2 t , where t is in second and v in m s - 1 . Find out its radial and tangential acceleration at t = 3 s , respectively,, 220 m s - 2 , 50 m s - 2, 100 m s - 2 , 5 m s - 2, 120 m s - 2 , 2 m s - 2, 110 m s - 2 , 10 m s - 2

MARKS App · Accepted Answer

Given that, the radius of the circle, r = 30 c m = 0.3 m l i n e a r s p e e d v = 2 t N o w , r a d i a l a c c e l e r a t i o n a R = v 2 r = 2 t 2 0.3 a t t = 3 s a R = 2 × 3 2 0.3 36 0.3 = 120 m s - 2 o r a R = 120 m s - 2 a n d t a n g e n t i a l a c c e l e r a t i o n a T = d v d t = d d t 2 t = 2 m s - 2

Search any question & find its solution

Looking for more such questions to practice?