A drunked person is 10 step away from a manhole. Suddenly he begins to walk towards the manhole. Suddenly he begins to walk towards the manhole. He wa

Monjur Alahi

A drunked person is 10 step away from a manhole. Suddenly he begins to walk towards the manhole. Suddenly he begins to walk towards the manhole. He walks two steps forward and one step beckward in one second. Find out
(i) The time after which the person will fall into the manhole?


0 like 0 dislike
1 views
Share with your friends

1 Answers

Salim Ahmed Kawsar

Call

Correct Answer - (i) at `(1)/(3)sec("during"9^(th)"see),
(ii) 26 steps

0 like 0 dislike
1 views
Talk Doctor Online in Bissoy App
A person vibrates the end of a string sending transverse waves down the string. If the person then doubles the frequency at which he vibrates the stri

The wave speed depends on factors on factors of tension in the string and its composition. Hence, since the wave speed is unchanged, with an increased frequency, there is a...

2 Answers 1 views
A man takes a step forward with probability 0.4 and backward with probability 0.6. Find the probability that at the end of 5 steps, he is one step awa

The man can be one stap away from the statting point if (i) either he is one stgep aheld or (ii) one step behind the starting point. Now if at...

2 Answers 1 views
i. End of membership of a person. ii. A person whose name is entered in the Register of Members.

i. Termination of membership ii. Member iii. Register of Members iv. Acquisition of membership v. Memorandum of Association

2 Answers 1 views
A positive charge of `20 mu C` is placed 2 m away from a negative charge of `20 mu C`. Determine the electric field at a point 2 m away from each char

Correct Answer - `4.5 xx 10^(4) NC^(-1)`

2 Answers 2 views
If P is moving away from a point and Q is moving towards a point then,

No.  Resultant cannot be found by parallelogram law of vector addition because to apply law of parallelogram of vectors the two vectors and should either act towards a point or away from a...

2 Answers 1 views
Anthony spends `x%` of his salary towards expending on food , 2x% of the remaining on transport 3x% of the remaining towards various bills 4x% of the

Correct Answer - `F,T,I,R`

2 Answers 1 views
Ramakanth draws a salary of Rs. 15,000 per month. He contributes Rs. 5000 per month towards PPF. He also donates Rs. 1250 per month towards medical re

Correct Answer - Rs.8400

2 Answers 2 views
A person moves towards north with uniform speed of 15 m/s and cover 16 m. After this he moves towards east and covers 6 m and finallt covers 8 m dista

Correct Answer - (i)`30m,53^(@)`,N of E (ii)10 m, (iii)` 5m//s53^(@)`, N of E

2 Answers 1 views
As we move away from the equator towards the poles, the average annual temperature decreases;

correct option is C) Latitude

2 Answers 1 views
A person is standing on the bank of a river. A fish inside water will see the person to be

Correct option is  A) taller

2 Answers 1 views
X