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Last Updated On 23-10-2022 - By Sara

A particle in moving along a circular path with a constant speed of 10 ms−1. What is the magnitude of the change is velocity of the particle, when it moves through an angle of 600 around the centre of the circle?

(a)

Zero

(b)

10 m/s

(c)

10m/s

(d)

10m/s


Question ID - 50289 :-

A particle in moving along a circular path with a constant speed of 10 ms−1. What is the magnitude of the change is velocity of the particle, when it moves through an angle of 600 around the centre of the circle?

(a)

Zero

(b)

10 m/s

(c)

10m/s

(d)

10m/s

1 Answer
5876 Votes
3537

Answer Key : (b) -

|=

= 2vsin since [|

= (2×10) × sin (30°)

=10 m/s



Next Question :

A hydrogen atom, initially in the ground state is excited by absorbing a photon of wavelength 980. The radius of the atom in the excited state, it terms of Bohr radius a0, will be: (hc= 12500 eV

(a)

9a0

(b)

25a0

(c)

4a0

(d)

16a0


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