Question

(3) Newton's third law of motion
(4) Both (1) & (2)
11. Aball is moving with speed 20 m/s collides with a smooth surat
CU 20 m/s collides with a smooth surface as shown in figure. The magnitude of change in
velocity of the ball will be
= 20 m/s
v=20 m/s
30430°
(Smooth horizontal surface)
(2)
20/3 m/s
(1) 10/3 m/s
40
(3) 5 m/s
(4) 40 m/s
​

Answer 1

Answer:

The answer is (4) 40m/s