Question

PHYSICS - VW PART 1
CIRCULAR MOTION
APPLICATION SKILL ACHIEVER - III
SILVER PACKAGE
Two cars having masses m, and m move in circles of radii r, and r, respectively. If they complete the
circle in equal time, the ratio of their angular speeds o,/0, is
[ ]
a) m, im
b) riler
c) mr/mr
d) 1
A particle moves in a circle of radius 0.5m with an angular speed of 4 rad s!. Its linear speed is
a) 20 ms
b) 2 ms)
c) 8 ms
d) 0.2ms [ ]
A particle moves in a circle of radius 2 m with tangential acceleration 10 m/s². Then its angular acceleration
IS
[ ]
a) 20 rad s 2
b) 5 rad s?
c) 0.2 rad s?
d) 0.5 rad s
The ratio of the angular velocities of the hour hand and minute hand of a watch is
a) 1:1
b) 1:12
c) 43200 : 1
d) 720 : 1​

Answer 1

Answer:

here is the correct answer

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question first , option D - 1

question second, 2 metre per second option b is correct

question third, option A is correct

question fourth, option b is correct