Question

speed
dropped. After 2.5
seconds, speed of the ball will be
(1) 31 m/s
(2) 21 m/s
(3) 15 m/s
(4) 18 m/s
46 A ball is thrown vertically upwards with a velocity
of 15 m/s. After 2 seconds, a stone is also
thrown upwards with the same speed. The ston
will meet the ball after
(1) 15 s
(2) 2.5 s
(3) 1.25 s
(4) 5s
7 A hot air balloon is rising vertically upward
won an acceleration of 1 m/s2. Ten second
lloon in modo to rin
from the are​

Answer 1

Answer:

Sorry dear I don't know but I will help you next time .