First slide

Vertical projection from ground

Question

From a building two balls A and B are thrown such that A is thrown upwards and B downwards (both vertically) with same speed. If v_A and v_B are their respective velocities on reaching the ground, then

Moderate

A

v_B> v_A
B

v_A= v_B
C

v_A> v_B
D

their velocities depend on their masses

Solution

Taking all downward physical quantities positive and all upward physical quantities negative and using the equation $\vec{v} . \vec{v} = \vec{u} . \vec{u} + 2 \vec{g} . \vec{h}, w e g e t i n b o t h c a s e s v^{2} = u^{2} + 2 g h .$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App