A man in a balloon, throws a stone downwards with a speed of $5 m/s$ with respect to the balloon. The balloon is moving upwards with a constant acceleration of $5 {m/s}^{2}$ . Then velocity of the stone relative to the man after $2 seconds$ is :

10 m/s

No worries! We‘ve got your back. Try BYJU‘S free classes today!

30 m/s

No worries! We‘ve got your back. Try BYJU‘S free classes today!

15 m/s

No worries! We‘ve got your back. Try BYJU‘S free classes today!

35 m/s

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D $35 m/s$
${\to u}_{S B} = 5 m/sec (-^j)$
${\to a}_{S B} = [10 - (- 5)] {m/sec}^{2} (-^j)$
${\to a}_{S B} = 15 {m/sec}^{2} (-^j)$
$v = u + a t$
$v = - 5 - 15 \times 2 = - 35 m/sec$
$| \to v | = 35 m/sec$

Suggest Corrections

Similar questions

A man in a balloon throws a stone downwards with a speed of 5 m/s with respect to balloon. The balloon is moving upwards with a constant acceleration of $5 m / s^{2}$ Then velocity of the stone relative to the man after 2 second is

A man in a balloon, throws a stone downwards with speed of 5 m/s with tespect ot balloon. The balloon is moving upwards with a constant acceleration of $5 m / s^{2}$ . Then velocity of the stone relative to the man after 2 second is

Q. A man in a balloon, throws a stone downwards with a speed of

5 m/s

with respect to the balloon. The balloon is moving upwards with a constant acceleration of

5 {m/s}^{2}

. Then velocity of the stone relative to the man after

2 seconds

is :

Q. A man in a balloon, throws a stone downwards with a speed of

5 m/s

with respect to the balloon. The balloon is moving upwards with a constant acceleration of

5 {m/s}^{2} .

Then velocity of the stone relative to the man after

2 seconds

is:

Join BYJU'S Learning Program

A man in a balloon, throws a stone downwards with a speed of 5 m/s with respect to the balloon. The balloon is moving upwards with a constant acceleration of 5 m/s2. Then velocity of the stone relative to the man after 2 seconds is :

The correct option is D 35 m/s→uSB=5 m/sec(−^j) →aSB=[10−(−5)] m/sec2(−^j) →aSB=15 m/sec2(−^j) v=u+at v=−5−15×2=−35 m/sec |→v|=35 m/sec

A man in a balloon, throws a stone downwards with a speed of $5 m/s$ with respect to the balloon. The balloon is moving upwards with a constant acceleration of $5 {m/s}^{2}$ . Then velocity of the stone relative to the man after $2 seconds$ is :

The correct option is D $35 m/s$
${\to u}_{S B} = 5 m/sec (-^j)$
${\to a}_{S B} = [10 - (- 5)] {m/sec}^{2} (-^j)$
${\to a}_{S B} = 15 {m/sec}^{2} (-^j)$
$v = u + a t$
$v = - 5 - 15 \times 2 = - 35 m/sec$
$| \to v | = 35 m/sec$