A body thrown vertically upward
Answers are for parents and teachers.
1
A body thrown up at 50 m/s: in how many seconds does it reach the top (g = 10 m/s²)?
5
2
Its maximum height (m)?
125
3
υ₀ = 30 m/s. Velocity after 2 s (m/s)?
10
4
Why does a stone thrown upward slow down while rising and speed up while falling?
The acceleration always points down: against the velocity on the way up, along it on the way down.
5
Why is it dangerous to throw something straight up?
It can fall back on someone’s head; never throw things near people.