In two different experiments, an object of mass $5\; kg$ moving with a speed of $25\; ms ^{-1}$ hits two different walls and comes to rest within
$(i)$ $3$ second, $(ii)$ $5$ seconds, respectively.
Choose the correct option out of the following :
Impulse and average force acting on the object will be same for both the cases.
Impulse will be same for both the cases but the average force will be different.
Average force will be same for both the cases but the impulse will be different.
Average force and impulse will be different for both the cases.
A man is at rest in the middle of a pond on perfectly smooth ice. He can get himself to the shore by making use of Newton's
Two trains $A$ and $B$ are running in the same direction on parallel rails such that $A$ is faster than $B$ . Packets of equal weight are transferred between them. What will happen due to this
A rigid ball of mass $m$ strikes a rigid wall at $60^o $ and gets reflected without loss of speed as shown in the figure. The value of impulse imparted by the wall on the ball will be
A ball of weight $0.1\, kg$ coming with speed $30\, m/s$ strikes with a bat and returns in opposite direction with speed $40 \,m/s$, then the impulse is (Taking final velocity as positive)
When we jump out of a boat standing in water it moves