Answer:
[tex]K.E = 163 J[/tex]
Explanation:
From the question we are told that:
Mass [tex]m=4.1kg[/tex]
Height [tex]h=4m[/tex]
Speed [tex]V=1m/s[/tex]
Angle [tex]\theta= 2 \textdegree[/tex]
Generally the equation for K.E is mathematically given by
Since
The potential energy and kinetic energy is equal to the kinetic energy as it hits the ground.
Therefore
[tex]K.E=mgH + 0.5mV^2[/tex]
[tex]K.E = (4.1)(9.81)(4) + (4.1)(1)^2*0.5[/tex]
[tex]K.E = 163 J[/tex]
