Question

A body is projected with speed 40 m/s at an angle 60° with the horizontal. minimum speed of projectile during its motion is ?
options
1. 40m/s
2. 30m/s
3. 25m/s
4. 20m/s​

Answer 1

ANSWER

Given u=40m/s, θ=60

0

and g=10m/s

2

Maximum Height H

Max

=

2g

u

2

sin

2

θ

=60m

Range R=

g

u

2

sin2θ

=80

2

3

m