A body travels 200 cm in the first two seconds and 220 cm in the next 4 secs

A body travels 200 cm in the first two seconds and 220 cm in the next 4 secs with deceleration. The velocity of the body at the end of the 7th second is

Options

(a) 5 cm/s
(b) 10 cm/s
(c) 15 cm/s
(d) 20 cm/s

Correct Answer:

10 cm/s

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. A double slit experiment is performed with light of wavelength 500 nm. A thin film
  2. Light of wavelength λᴀ and λᴃ falls on two identical metal plates A and B respectively.
  3. In Wheatstone bridge, three resistors P,Q and R are conncected in three arms
  4. Two identical charges repel each other with a force equal to 10 mgwt they are 0.6 m
  5. If the error in the measurement of momentum of particle is (+100%)