Lakshya Education MCQs

Question: Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction.the speeds of the objects are:
Options:
A. 2 m/sec and 2 m/sec
B. 3 m/sec and 2 m/sec
C. 3 m/sec and 3 m/sec
D. 4 m/sec and 6 m/sec
Answer: Option B

Submit Answer & Explaination

Earn Reward Points by submitting Detailed Explaination for this Question

More Questions on This Topic :

Question 1. Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction.the speeds of the objects are:
  1.     2 m/sec and 2 m/sec
  2.     3 m/sec and 2 m/sec
  3.     3 m/sec and 3 m/sec
  4.     4 m/sec and 6 m/sec
Answer: Option B
Question 2. If a particle moves with a uniform angular velocity ‘ω’ radians/sec along the circumference of a circle of radius ‘r’, the equation for the velocity of the particle, is
  1.     v = ω √(y² - r²)
  2.     y = ω √(y - r)
  3.     v = ω √(r² + y²)
  4.     v = ω √(r² - y²)
Answer: Option D
Question 3. Periodic time of a particle moving with simple harmonic motion is the time taken by the particle for
  1.     Half oscillation
  2.     Quarter oscillation
  3.     Complete oscillation
  4.     None of these
Answer: Option C
Question 4. A bullet weighing 200 g is fired horizontally with a velocity of 25 m/sec from a gun carried on a carriage which together with the gun weighs 100 kg. the velocity of recoil of the gun, will be
  1.     0.01 m/sec
  2.     0.05 m/sec
  3.     1.00 m/sec
  4.     1.5 m/see
Answer: Option B
Question 5. If a particle moves with a uniform angular velocity ‘ω’ radians/sec along the circumference of a circle of radius ‘r’, the equation for the velocity of the particle, is
  1.     v = ω √(y² - r²)
  2.     y = ω √(y - r)
  3.     v = ω √(r² + y²)
  4.     v = ω √(r² - y²)
Answer: Option D
Question 6. A satellite goes on moving along its orbit round the earth due to
  1.     Gravitational force
  2.     Centrifugal force
  3.     Centripetal force
  4.     None of these
Answer: Option B

Check all Questions in this Topic : Click HERE