The oblique throw and the laboratory work
Answers are for parents and teachers.
1
A body is thrown at 40 m/s at 30° (sin30° = 1/2, g = 10 m/s²). What is the rise time (s)?
2
2
What is the maximum height of the same body (m)? (υ₀ᵧ = 20 m/s)
20
3
Are the ranges of bodies thrown at the same speed at 30° and at 60° equal or not equal?
Equal
4
Measurements: 70, 74, 66, 70 cm. What is the mean range (cm)?
70
5
Why is the launcher never aimed at people and used only under the teacher’s supervision?
A metal ball moving fast can cause injury.