A dust packet is dropped from 5th storey of a multi-storeyed building

A Dust Packet Is Dropped From 5th Storey Of A Physics Question

A dust packet is dropped from 5th storey of a multi-storeyed building.In the first second of its free fall another dust packet is dropped from 7th storey 15m below the 9th storey.If both packets reach the ground at same time,then height of the building is

Options

(a) 25m
(b) 15m
(c) 20m
(d) 16m

Correct Answer:

20m

Explanation:

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

Related Questions:

  1. In a photoelectric effect experiment, the slope of the graph between the stopping
  2. The unit of electric permittivity is
  3. The wavelength of Kα line in copper is 1.5Å. The ionisation energy of K electron in copper is
  4. Two straight wires each 10cm long are parallel to one another and seperated by 2 cm.
  5. An astronomical telescope arranged for normal adjustment has a magnification of 6.

Topics: Motion in Straight Line (93)
Subject: Physics (2479)

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

NEETLab Mobile App

Share this page with your friends

3 Comments on A dust packet is dropped from 5th storey of a multi-storeyed building

Leave a Reply

Your email address will not be published.


*