Question

24. A ball of mass m strikes a wall with a speed x and retraces its path with the speed y. If the ball is in
contact with the wall for time t, then the magnitude of average force exerted by the wall on the ball is
m(x + y)
m(x-y)
2)
xty
3)
(x+y)
4)
t​

Answer 1

Answer:

y+- y(4)t

Explanation:

m(x)

m(y)

2)x+y

3)- y

4)t

=y+- y(4)t

Answer 2

Answer:

2 What is irony? Pick out two instances of irony from the story 'the cop and the anthem' and explain them