1. A driver on a motorcycle having a mass of 195 kg is traveling with a speed of 40 m/s. Each of the motorcycle's two wh

[answerhappygod]

1. A driver on a motorcycle having a mass of 195 kg is traveling
with a speed of 40 m/s. Each of the motorcycle's two wheels has a
radius of 12.00 m and a moment of inertia of 20.0 kg⋅m2. What is
the approximate total rotational kinetic energy (J) of the wheels?
Give your answer to 2 decimal places.
2. A 65.8-kg cannon at rest contains a 3.5-kg cannonball.
When firing, the bullet leaves the barrel with a speed of 21 m/s.
What is the recoil speed of the barrel? Give your answer to a
decimal place.
3. An object of mass 1.18 kg is moving to the right with a
speed of 19 m/s subject to a force as shown below. What is the
speed and direction of after the force has been applied?: Give your
answer to one decimal place.