Question

A particle is thrown vertically upward at 10 m/s find out
1 its velocity after 1 second
2 it's acceleration at the maximum height
3 it's velocity at maximum height
4 displacement during first two seconds
5 maximum height
6 time of ascent
7 time of descent
8 displacement in last second
9 displacement in first 3 seconds​

Answer 1

1. 10m/s
2. 0
3. 0
4. 20 m
5. not sure about it
6. time of ascent =time of descent.
7. 10m/s
8. 30 m