A car accelerates horizontally from rest on a level road at a constant acceleration of Down the road, it passes through two phot
2 answers:
You might be interested in
Answer:
72 J
Explanation:
Total kinetic energy will be tge sum of rotational and translational energy.
Rotational kinetic energy is given by where I is moment of inertia which is given by
and here m is mass, r is radius. Also,
hence making \omega the subject then
where v is the velocity.
Rotational kinetic energy=
This is same as the formula for translational kinetic energy which is given by
Therefore, total kinetic energy=
Substituting m with 2 kg and v with 6 m/s then total energy will be
- Mass=m=20kg
- Acceleration due to gravity=10m/s^2
Weight=Applied force