Home
Class 12
PHYSICS
An object of mass 5 kg is thrown vertica...

An object of mass 5 kg is thrown vertically upwards from the ground. The air resistance produces a constant retarding force of 10 N throughout the motion. The ratio of time of ascent to the time of descent will be equal to : [Use `g =10 ms^(-2)`]

A

`1:1`

B

`sqrt(2) : sqrt(3)`

C

`sqrt(3) : sqrt(2)`

D

2:3`

Text Solution

AI Generated Solution

### Step-by-Step Solution: **Given:** - Mass of the object, \( m = 5 \) kg - Retarding force due to air resistance, \( F_r = 10 \) N - Acceleration due to gravity, \( g = 10 \, \text{m/s}^2 \) **To Find:** ...
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • JEE MAINS 2022

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS (SECTION -A)|20 Videos

  • JEE MAINS 2022

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS (SECTION -B)|10 Videos

  • JEE MAINS 2022

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS|60 Videos

  • JEE MAINS 2021

    JEE MAINS PREVIOUS YEAR|Exercise Physics (Section B )|10 Videos

  • JEE MAINS 2023 JAN ACTUAL PAPER

    JEE MAINS PREVIOUS YEAR|Exercise Question|360 Videos

Similar Questions

Explore conceptually related problems

A particle is thrown upwards from ground it experiences a constant resistance force which can produce retardation of 2m/s^2 The ratio of time of ascent to the time to descent is (g=10m/s^ 2)

A body is projected vertically up with velocity u from the ground in the presence of constant air resistance R of it reaches the ground with a velocity 'V' then time of descent

Knowledge Check

  • A ball is thrown vertically upwards from the ground. Work done by air resistance during its time of flight is

    A
    positive during ascent and negative during descent
    B
    positive during ascent and descent
    C
    negative during ascent and positive during descent
    D
    negative during ascent and descent

  • A particle is thrown upwards from ground. It experiences a constant resistance force which can produce a retardation of 2 ms^-2. The ratio of time of ascent to time of descent 13 ( g = 10 ms^-2 )

    A
    `1 : 1`
    B
    `sqrt(2/3)`
    C
    `2/3`
    D
    `sqrt(3/2)`

  • A particle is thrown upward from ground. It experiences a constant resistive force which can produce retardation of 6 m/ sec^2 . What will be the ratio of time of descent to time of ascent (g = 10 m/ sec^2 )

    A
    2
    B
    3
    C
    4
    D
    1

    • Similar Questions

    Explore conceptually related problems

    (a) A ball is thrown vertically upward with speed 10 m//s and it returns to the ground with speed 8 m//s . Find the maximum height attained by the ball. (b) A ball is thrown vertically upward and if air resistance is half of weight of the ball, find the ratio of time of ascent and time of descent. (C) Two balls A and B (m_(A) = 2 m_(B) = 2 m) are thrown vertically upward. If air resistance is mg//2 , find ratio of maximum height attained by them.

    A particle of mass 100 g is thrown vertically upwards with a speed of 5 ms^(-1) . The work done by the force of gravity during the time the particle goes up is

    A ball is thrown vertically upwards from the ground. If T_1 and T_2 are the respective time taken in going up and coming down, and the air resistance is not ignored, then

    A particle of mass 100 g is thrown vertically upwards with a speed of 5 m/s. The work done by the force of gravity during the time the particle goes up is

    A particle of mass 100 g is thrown vertically upwards with a speed of 5 m//s . The work done by the force of gravity during the time the particle goes up is

    Home
    Profile