P,,Q and R are three balloons ascending with velocities U,,4U and 8U respectively. If stones of same

English

Gujarati

Hindi

2.Motion in Straight Line

easy

$P,\,Q$ and $R$ are three balloons ascending with velocities $U,\,4U$ and $8U$ respectively. If stones of the same mass be dropped from each, when they are at the same height, then

A

They reach the ground at the same time

B

Stone from $P$ reaches the ground first

C

Stone from $R$ reaches the ground first

D

Stone from $Q$ reaches the ground first

Solution

(b)It has lesser initial upward velocity.

Standard 11

Physics

Share

Similar Questions

A body, thrown upwards with some velocity reaches the maximum height of $50 \,m$. Another body with double the mass thrown up with double the initial velocity will reach a maximum height of…………$m$

easy

A body falling from a vertical height of $10 \,m$ pierces through a distance of $1 \,m$ in sand. It faces an average retardation in sand equal to ( $g$ = acceleration due to gravity)

medium

Discuss the observation of Galileo for the objects falling freely.

normal

A box filled with water has a small hole on its side near the bottom. It is dropped from the top of a tower. As it falls, a camera attached on the side of the box records the shape of the water stream coming out of the hole. The resulting video will show

medium

(KVPY-2018)

Two bodies are held separated by $9.8\,m$ vertically one above the other. They are released simultaneously to fall freely under gravity. After $2\,s$, the relative distance between them is $…………\,m$

medium